Research

Research, compare, and understand complex subjects.

1018 Research sites with bilingual introductions and official links.

Red Blob Games

Move start and goal positions, compare the resulting path, then use the explanations and code examples to study game-development algorithms.

  • pathfinding
  • algorithms
  • game-development

Research

NandGame

Start with input and output requirements, place components, connect wires, and toggle signals to check your circuit.

  • logic
  • circuits
  • learning

Research

Aeon

Read essays on philosophy, culture, and science.

  • philosophy
  • essays

Research

Agda

Dependent types for programs and proofs

  • verification
  • programming

Research

Agricola

Find bibliographic records for agricultural books and articles.

  • agriculture
  • bibliography

Research

AidData

Explore development-finance and geospatial research data.

  • development
  • data

Research

AmphibiaWeb

Read amphibian natural history and conservation information.

  • amphibians
  • biodiversity

Research

ANNO

Browse historical Austrian newspapers and journals by period.

  • newspapers
  • archives

Research

Antora

Documentation across repositories and versions

  • documentation
  • publishing

Research

Apache AGE

Graph queries within PostgreSQL

  • development
  • documentation

Research

Apache Beam

Unified batch and streaming pipelines

  • development
  • documentation

Research

Apache bRPC

RPC framework for service applications

  • development
  • documentation

Research

Apache Geode

Distributed application data management

  • development
  • documentation

Research

Apache Mahout

Explore quantum machine learning with Python circuit APIs and GPU data encoding.

  • quantum-computing
  • machine-learning

Research

Apache OFBiz

Enterprise business application framework

  • development
  • documentation

Research

APiCS

Compare structures of pidgin and creole languages.

  • language
  • typology

Research

AppVeyor

CI execution across build environments

  • ci
  • automation

Research

Argo

Learn how drifting floats measure the ocean.

  • ocean
  • observations

Research

AsciiDoc

Structured documents in plain-text syntax

  • documentation
  • publishing

Research

Asciidoctor

Publishing AsciiDoc in different output formats

  • documentation
  • publishing

Research

Authelia

Identity services for application access

  • authentication
  • identity

Research

Bauhaus Dessau

Explore the architecture and design context of Bauhaus Dessau.

  • design
  • history

Research

Bazel

Dependency-defined project builds

  • build
  • automation

Research

Beethoven-Haus

Explore cultural and research resources about Beethoven.

  • music
  • archives

Research

Biblissima

Trace textual transmission from antiquity to the Renaissance.

  • manuscripts
  • search

Research

BioEd Online

Find life-science and broader STEM teaching materials.

  • biology
  • teaching

Research

bioRxiv

Follow preprints across life-science research topics.

  • biology
  • preprints

Research

BIS Statistics

Explore statistics about the international financial system.

  • finance
  • data

Research

Bitrise

Build and delivery workflows for mobile apps

  • ci
  • automation

Research

BnF Data

Explore BnF data models and semantic connections.

  • books
  • metadata

Research

BOLD Systems

Explore species through DNA barcode records.

  • genetics
  • biodiversity

Research

Bolt CMS

Configured content types for site management

  • cms
  • publishing

Research

Bottle

Compact Python web framework

  • python
  • backend

Research

Buck2

Scalable multi-language build graphs

  • build
  • automation

Research

CABI

Explore agriculture, environment, and knowledge-sharing research.

  • agriculture
  • research

Research

Canadiana

Find Canadian historical publications and primary sources.

  • history
  • archives

Research

CarbonPlan

Explore data and methods behind climate solutions.

  • climate
  • research

Research

Casbin

Application authorization through models and policies

  • authorization
  • permissions

Research

CEOS

Understand coordination across Earth-observation satellite programs.

  • satellites
  • coordination

Research

CERN

Understand particle-physics research and accelerator projects.

  • physics
  • research

Research

CERN Courier

Read reporting on particle-physics experiments, theory, and technology.

  • physics
  • journalism

Research

CESSDA

Find European social-science data and management guidance.

  • social-science
  • data

Research

CGIAR

Explore research on food, land, and water systems.

  • agriculture
  • research

Research

Chapel

Language-level parallel and distributed computing

  • programming
  • types

Research

ChemEd X

Read teaching resources and perspectives from chemistry educators.

  • chemistry
  • teaching

Research

Chemguide

Review advanced chemistry through topic-based explanations.

  • chemistry
  • learning

Research

ChemistrySteps

Work through organic chemistry with step-based practice.

  • chemistry
  • learning

Research

ChemSpider

Find chemical substances using names and structural identifiers.

  • chemistry
  • reference

Research

ChemTube3D

Understand chemical structures and reactions through 3D animations.

  • chemistry
  • visualization

Research

CICERO

Explore climate research and projects by topic.

  • climate
  • research

Research

CIMMYT

Follow the applied context of wheat and maize research.

  • agriculture
  • crops

Research

CIRAD

Explore tropical and Mediterranean agricultural research.

  • agriculture
  • research

Research

CLDF

Understand shared formats for cross-linguistic data.

  • language
  • data

Research

CMake

Cross-platform native build configuration

  • build
  • automation

Research

Codemagic

Automated multi-platform mobile builds

  • ci
  • automation

Research

Concourse

Traceable pipelines of resources and jobs

  • ci
  • automation

Research

Constitute

Compare constitutional texts from different countries.

  • constitutions
  • comparison

Research

Contao

Content sites assembled from modules and layouts

  • cms
  • publishing

Research

Copier

Generation and updates from project templates

  • code-generation
  • automation

Research

Rocq

Interactive formal reasoning

  • verification
  • programming

Research

Crop Trust

Understand crop-diversity conservation and genebanks.

  • agriculture
  • conservation

Research

Crossplane

Platform resources managed through control-plane APIs

  • kubernetes
  • platform

Research

CycloneDX

Standard descriptions of software composition

  • security
  • dependencies

Research

D

Systems programming with high-level abstractions

  • programming
  • types

Research

D-PLACE

Compare data on places, languages, cultures, and environments.

  • anthropology
  • data

Research

Dafny

Programming with specifications and verification

  • verification
  • programming

Research

Dagger

Programmable container workflows

  • build
  • automation

Research

Dapr

Shared APIs for distributed application capabilities

  • development
  • orchestration

Research

DataCite

Understand DOIs and metadata for research outputs.

  • research
  • data

Research

DataONE

Discover Earth and environmental data across repositories.

  • environment
  • data

Research

DBNL

Find Dutch literary texts and research references.

  • literature
  • books

Research

Delpher

Search historical Dutch newspapers, books, and journals.

  • newspapers
  • archives

Research

DESI

Study cosmic structure through spectroscopic surveys.

  • astronomy
  • spectroscopy

Research

Detox

End-to-end testing for React Native

  • testing
  • mobile

Research

DevPod

Devcontainer-based development workspaces

  • development
  • containers

Research

DevSpace

Kubernetes development configuration

  • development
  • containers

Research

Dex

OIDC access to external identity sources

  • authentication
  • identity

Research

DIAMM

Study medieval music manuscripts and source records.

  • music
  • manuscripts

Research

dict.cc

Look up bilingual vocabulary across language pairs.

  • language
  • dictionaries

Research

Dictionaria

Read dictionaries published as searchable databases.

  • language
  • dictionaries

Research

DIGAR

Search digitized Estonian publications and images.

  • books
  • archives

Research

Digital History

Explore American-history learning materials and classroom activities.

  • history
  • education

Research

DigiVatLib

Browse digitized Vatican Library collections.

  • manuscripts
  • archives

Research

Discover Life

Identify organisms with guides and distribution maps.

  • biodiversity
  • identification

Research

DOAB

Discover peer-reviewed open-access scholarly books.

  • books
  • research

Research

DOBES

Explore endangered-language documentation projects and archives.

  • language
  • archives

Research

DocFX

Technical sites combining APIs and articles

  • documentation
  • publishing

Research

Doxygen

API references from symbols and comments

  • documentation
  • publishing

Research

Duden

Check German spelling, meanings, and grammar.

  • language
  • dictionaries

Research

DWDS

Explore German vocabulary and language-reference resources.

  • language
  • dictionaries

Research

E-Codices

Read digitized manuscripts from Swiss collections.

  • manuscripts
  • archives

Research

EarthArXiv

Follow Earth-science research shared as preprints.

  • geoscience
  • preprints

Research

EarthByte

Explore plate reconstructions and deep-time Earth research.

  • geology
  • plates

Research

EarthRef

Browse Earth-science reference data and models.

  • geology
  • data

Research

Earthwatch

Explore participatory environmental research and teacher learning.

  • environment
  • citizen-science

Research

EBRAINS

Find data and tools across scales of brain research.

  • neuroscience
  • data

Research

Eclipse Che

Kubernetes-based development workspaces

  • development
  • containers

Research

EconPapers

Find economics literature through RePEc records.

  • economics
  • papers

Research

ELAR

Find multimedia archives of endangered languages.

  • language
  • archives

Research

Elixir

Concurrent services on the Erlang runtime

  • programming
  • types

Research

EMBL-EBI

Explore life-science data and research resources.

  • biology
  • databases

Research

Emscripten

Native code compiled to WebAssembly

  • compiler
  • development

Research

Encore

Cloud infrastructure connected to application models

  • serverless
  • deployment

Research

EO Portal

Read satellite mission and instrument reference information.

  • satellites
  • reference

Research

ERIC

Search education research with subject vocabulary.

  • education
  • papers

Research

Expo

React Native development and application tooling

  • mobile
  • framework

Research

Extism

WebAssembly plugins for applications

  • wasm
  • runtime

Research

F#

Typed functional application development

  • programming
  • types

Research

Falco

Security detections from runtime events

  • security
  • kubernetes

Research

Falcon

Resource-based Python API services

  • python
  • backend

Research

Fastlane

Named workflows for mobile-development automation

  • ci
  • automation

Research

Fennel

Lisp syntax that compiles to Lua

  • programming
  • types

Research

Fission

Functions connected to Kubernetes triggers

  • serverless
  • deployment

Research

Flutter

Multi-platform interfaces with Dart widgets

  • mobile
  • framework

Research

Flyway

Versioned database migration scripts

  • database
  • migration

Research

Foldit

Learn about protein structures through a scientific game.

  • biology
  • citizen-science

Research

Fortran

Numerical and scientific programming

  • numerical
  • programming

Research

Fragmentarium

Study medieval manuscript fragments and reconstruction clues.

  • manuscripts
  • fragments

Research

Futhark

Functional arrays for parallel computation

  • numerical
  • programming

Research

Garden

Dependency-aware cloud development

  • development
  • containers

Research

GCC

Native compilers for multiple languages

  • compiler
  • development

Research

Gene Ontology

Describe genes and biological functions with shared vocabulary.

  • biology
  • annotation

Research

Genesys PGR

Find plant genetic resources held in genebanks worldwide.

  • agriculture
  • seeds

Research

GeoMapApp

Analyze varied geoscience datasets through a map interface.

  • earth
  • maps

Research

Globe at Night

Investigate night-sky brightness with charts and observations.

  • astronomy
  • citizen-science

Research

GLOBE Program

Connect student environmental observations with science.

  • earth
  • education

Research

Glottolog

Find references for languages, dialects, and families.

  • language
  • reference

Research

GO-SHIP

Find resources for repeat ocean hydrographic sections.

  • ocean
  • observations

Research

GoCD

Dependency-aware continuous delivery

  • ci
  • automation

Research

Google Books

Search a full-text book index and bibliographic records.

  • books
  • search

Research

GraalVM

JVM execution and native compilation

  • wasm
  • runtime

Research

Gradio

Python interfaces for model demonstrations

  • python
  • interfaces

Research

Gradle

Task-based multi-language builds

  • build
  • automation

Research

Grambank

Explore grammatical-feature data across languages.

  • language
  • grammar

Research

Grav

File-based website content

  • cms
  • publishing

Research

GWT

Java-to-browser application compilation

  • java
  • backend

Research

Harness

Continuous delivery and engineering workflows

  • ci
  • automation

Research

Haxe

One language with multiple compilation targets

  • programming
  • types

Research

Helidon

Java libraries for cloud services

  • java
  • backend

Research

Helioviewer

Explore solar imagery in a shared viewing interface.

  • solar
  • visualization

Research

HydroSHEDS

Find digital layers for global hydrographic research.

  • water
  • maps

Research

iBiology

Watch biology lectures and experimental-technique lessons.

  • biology
  • lectures

Research

IceCube

Explore the science of Antarctic neutrino observations.

  • physics
  • neutrinos

Research

IDEAS

Track economics papers and authors through a research index.

  • economics
  • bibliography

Research

IMSLP

Find scores by composer, period, and instrumentation.

  • music
  • scores

Research

Inngest

Event-based asynchronous backend steps

  • workflows
  • execution

Research

Inside Cancer

Understand cancer-related molecular biology through animations.

  • biology
  • education

Research

Ionic

Cross-platform application UIs with web components

  • mobile
  • framework

Research

IRRI

Explore rice research and agricultural learning resources.

  • agriculture
  • rice

Research

IRSA

Find infrared and submillimeter astronomical data.

  • astronomy
  • infrared

Research

Isabelle

Formal-language theorem proving

  • verification
  • programming

Research

ISSP

Find thematic data from international social surveys.

  • social-science
  • surveys

Research

Janet

Embeddable Lisp scripting

  • programming
  • types

Research

Japan Search

Search Japanese digital archives across institutions.

  • culture
  • search

Research

Jdbi

Convenient JDBC data access

  • java
  • backend

Research

Jooby

Modular JVM web services

  • java
  • backend

Research

Joomla

Website content management

  • cms
  • publishing

Research

jOOQ

Typed SQL programming

  • java
  • backend

Research

JURN

Explore a search entry for scholarly articles.

  • humanities
  • search

Research

K9s

Kubernetes resources observed through a terminal UI

  • kubernetes
  • platform

Research

Karmada

Application workloads across multiple clusters

  • kubernetes
  • platform

Research

KEDA

Container scaling driven by pending events

  • serverless
  • deployment

Research

KEGG

Connect genes, reactions, and biological pathways.

  • biology
  • pathways

Research

Kirby

File content and editor blueprints

  • cms
  • publishing

Research

Knative

Serverless workload building blocks for Kubernetes

  • serverless
  • deployment

Research

Koin

Organize Kotlin object dependencies in modules for applications and shared multiplatform code.

  • kotlin
  • dependency-injection

Research

Ktor

Kotlin clients and servers

  • java
  • backend

Research

KubeEdge

Kubernetes application management at the edge

  • kubernetes
  • platform

Research

Kubescape

Kubernetes risk checks across development and deployment

  • security
  • kubernetes

Research

KubeVela

Application models for delivery across environments

  • kubernetes
  • platform

Research

Lean

Typed programming and interactive proofs

  • verification
  • programming

Research

Lektor

Static sites built from content files

  • static-site
  • publishing

Research

Lexibank

Find curated lexical data across languages.

  • language
  • lexicons

Research

Lexilogos

Find dictionaries and writing resources across languages.

  • language
  • dictionaries

Research

Liquibase

Change sets for database evolution

  • database
  • migration

Research

Litestar

Typed Python APIs and dependency injection

  • python
  • backend

Research

Litmaps

Organize research context with literature maps.

  • papers
  • discovery

Research

LLVM

Compiler and optimization infrastructure

  • compiler
  • development

Research

Luau

Gradually typed embedded scripting

  • programming
  • types

Research

Luminarium

Explore English literature and authors by period.

  • literature
  • reference

Research

Maestro

Declarative tests for mobile and web interfaces

  • testing
  • mobile

Research

Manuscriptorium

Explore a digital research environment for written heritage.

  • manuscripts
  • archives

Research

Map of Life

Explore biodiversity through species and regional views.

  • biodiversity
  • maps

Research

MarineBio

Discover marine species and marine biology.

  • marine
  • conservation

Research

MAST

Search astronomical observations across space-telescope missions.

  • astronomy
  • archives

Research

Maths Careers

Explore how mathematics is used in research and careers.

  • mathematics
  • education

Research

medRxiv

Browse preprints in health-science research.

  • research
  • preprints

Research

Meson

Native project build definitions

  • build
  • automation

Research

Micronaut

Compile-time support for JVM applications

  • java
  • backend

Research

MolView

Explore molecules through structural formulas and 3D models.

  • chemistry
  • visualization

Research

MusicBrainz

Find relationships among musical works, recordings, and releases.

  • music
  • metadata

Research

MyPhysicsLab

Understand motion and equations through mechanics simulations.

  • physics
  • simulation

Research

NASA Eyes

Explore NASA data and missions in three dimensions.

  • space
  • visualization

Research

NASA HEASARC

Explore multi-mission archives for high-energy astronomy.

  • astronomy
  • data

Research

NativeScript

Native application capabilities from JavaScript languages

  • mobile
  • framework

Research

Nautilus

Read essays where science meets life and culture.

  • science
  • essays

Research

NCBI

Find life-science data through an integrated resource portal.

  • biology
  • databases

Research

.NET Aspire

Application models for distributed services

  • development
  • orchestration

Research

Nextra

Documentation and content sites using MDX

  • static-site
  • publishing

Research

Nikola

Blogs and static pages from varied input formats

  • static-site
  • publishing

Research

Nim

High-level syntax for native programs

  • programming
  • types

Research

NINJAL

Explore Japanese-language research, corpora, and academic resources.

  • language
  • research

Research

NRAO

Learn radio astronomy through public resources.

  • astronomy
  • radio

Research

OAPEN

Find scholarly books and explore open publishing.

  • books
  • research

Research

Odin

Data-oriented native programming

  • programming
  • types

Research

OKD

Integrated platform for Kubernetes applications

  • kubernetes
  • platform

Research

OPA

Structured-input policy evaluation with Rego

  • security
  • kubernetes

Research

Open Context

Explore archaeological data and field documentation.

  • archaeology
  • data

Research

Open Library

Discover books through catalog records and subjects.

  • books
  • search

Research

OpenBao

Centralized application secret management

  • secrets
  • configuration

Research

OpenFaaS

Functions deployed on Kubernetes

  • serverless
  • deployment

Research

OpenFGA

Relationship models for fine-grained permissions

  • authorization
  • permissions

Research

OpenYurt

Kubernetes extended for edge environments

  • kubernetes
  • platform

Research

Orleans

Virtual actors for distributed .NET

  • java
  • backend

Research

OSV

Vulnerability records linked to package versions

  • security
  • dependencies

Research

osv-scanner

Dependency checks against vulnerability data

  • security
  • dependencies

Research

Panel

Interactive data applications in Python

  • development
  • documentation

Research

PANGAEA

Find georeferenced Earth and environmental research data.

  • earth
  • data

Research

PanSci

Read science and research stories in Traditional Chinese.

  • science
  • explainers

Research

Pants

Selective tasks in monorepos

  • build
  • automation

Research

PARADISEC

Explore recordings of endangered languages and cultures.

  • language
  • archives

Research

ParlGov

Browse historical party, election, and cabinet data.

  • politics
  • data

Research

Patrol

Native interactions in Flutter testing

  • testing
  • mobile

Research

PDBe

Explore protein-structure data and research resources.

  • biology
  • structures

Research

Pekko

Actors and streams for concurrent systems

  • java
  • backend

Research

Pelican

Python tooling for text-based static sites

  • static-site
  • publishing

Research

PHOIBLE

Explore phonological inventories across languages.

  • language
  • phonology

Research

Physics Today

Follow physics research and scientific-community news.

  • physics
  • journalism

Research

Please

Rule-defined build automation

  • build
  • automation

Research

Plone

Content types and editorial workflows

  • cms
  • publishing

Research

Plop

Prompt-based project file generation

  • code-generation
  • automation

Research

Plus Magazine

Explore mathematical ideas through articles and audio.

  • mathematics
  • essays

Research

Pomerium

Identity-aware access to services

  • authorization
  • permissions

Research

Pony

Actors and capability-based concurrency

  • programming
  • types

Research

Praat

Explore phonetic-analysis software and learning documentation.

  • language
  • phonetics

Research

Project Drawdown

Compare climate solutions presented through scientific research.

  • climate
  • solutions

Research

Project MUSE

Explore humanities and social-science publications.

  • humanities
  • papers

Research

Projen

Project configuration generated from code

  • code-generation
  • automation

Research

Psyche

Explore perspectives on psychology, emotions, and everyday life.

  • psychology
  • essays

Research

PureScript

Pure functional programming for JavaScript

  • programming
  • types

Research

Pyramid

Composable Python web applications

  • python
  • backend

Research

Quartz

Linked notes published as a website

  • static-site
  • publishing

Research

Racket

Language-oriented and functional programming

  • programming
  • types

Research

re3data

Find research-data repositories suited to your subject.

  • research
  • repositories

Research

React Native

Native application interfaces described with React

  • mobile
  • framework

Research

Reactome

Interpret molecular research through biological pathways.

  • biology
  • pathways

Research

RealClimate

Read scientific discussions from climate researchers.

  • climate
  • explainers

Research

Reason

Alternative syntax for the OCaml type system

  • programming
  • types

Research

Redalyc

Find scholarly journals and articles across languages.

  • papers
  • journals

Research

ReliefWeb

Find reports and situation information about humanitarian crises.

  • humanitarian
  • reports

Research

REN21

Explore reports and trends in renewable energy.

  • energy
  • reports

Research

Renovate

Automated dependency-update changes

  • release
  • automation

Research

ReScript

Typed language compiling to JavaScript

  • programming
  • types

Research

ResearchRabbit

Expand a reading list through relationships between papers.

  • papers
  • discovery

Research

Restate

Durable execution for workflows and stateful services

  • workflows
  • execution

Research

RISM

Trace scores, manuscripts, and music-document sources.

  • music
  • bibliography

Research

Rockd

Connect geological maps with field observations.

  • geology
  • fieldwork

Research

ROR

Identify research and funding organizations with persistent IDs.

  • research
  • identifiers

Research

RRUFF

Investigate minerals through spectra and chemical analyses.

  • minerals
  • spectroscopy

Research

Sanic

Asynchronous Python web services

  • python
  • backend

Research

SBT

Interactive Scala project builds

  • build
  • automation

Research

Scala

Object-oriented and functional JVM language

  • programming
  • types

Research

ScienceAlert

Read news about nature, space, and environmental science.

  • science
  • news

Research

Scimonth

Read Taiwanese science writing and research features.

  • science
  • essays

Research

SciStarter

Find citizen-science projects that match your interests.

  • science
  • citizen-science

Research

SCons

Python-defined build rules

  • build
  • automation

Research

SeaDataNet

Find European marine observations and their metadata.

  • ocean
  • data

Research

Semaphore

CI/CD organized into pipelines and blocks

  • ci
  • automation

Research

SERC

Find Earth-science teaching resources and activities.

  • geoscience
  • teaching

Research

SIMBAD

Resolve astronomical object names and trace research measurements.

  • astronomy
  • reference

Research

SIPRI

Read research on armaments, security, and peace.

  • security
  • research

Research

SKA Observatory

Follow a large radio-observatory project and its data challenges.

  • astronomy
  • radio

Research

Skaffold

Kubernetes development workflows

  • development
  • containers

Research

SkyView

Retrieve survey images for a chosen sky position.

  • astronomy
  • imaging

Research

SLSA

Framework for software supply-chain integrity

  • security
  • dependencies

Research

SOPS

Encrypted values with readable configuration structure

  • secrets
  • configuration

Research

SpaceWeather

Follow solar activity and sky-phenomenon reports.

  • solar
  • observing

Research

SPDX

Standardized software-information exchange

  • security
  • dependencies

Research

Sphinx

Technical manuals with cross-referenced source documents

  • documentation
  • publishing

Research

SpiceDB

Relationship-based application permission storage

  • authorization
  • permissions

Research

SST

Application and cloud resources configured in code

  • serverless
  • deployment

Research

Statamic

Content models for Laravel sites

  • cms
  • publishing

Research

SuttaCentral

Read and compare early Buddhist texts and translations.

  • religion
  • texts

Research

Swift

Typed application and systems development

  • programming
  • types

Research

TaiBIF

Find data resources on Taiwan's biodiversity.

  • biodiversity
  • data

Research

TaiCOL

Check names and taxonomy of Taiwanese species.

  • biology
  • taxonomy

Research

Taiwan Memory

Explore Taiwan through historical documents and story maps.

  • history
  • archives

Research

Talos Linux

API-managed operating system for Kubernetes

  • kubernetes
  • platform

Research

Task

YAML-defined command automation

  • build
  • automation

Research

Temporal

Recorded and recoverable long-running workflows

  • workflows
  • execution

Research

The Aperiodical

Read articles and observations from the mathematics community.

  • mathematics
  • news

Research

Tilt

Development loops for services

  • development
  • containers

Research

Tornado

Python networking for long-lived connections

  • python
  • backend

Research

Towncrier

Release notes assembled from change fragments

  • release
  • automation

Research

Travis CI

Repository-configured builds and tests

  • ci
  • automation

Research

Treccani

Read Italian dictionary and encyclopedia entries.

  • language
  • encyclopedia

Research

Tyndall Centre

Explore research on low-carbon transitions and climate resilience.

  • climate
  • research

Research

TypeDoc

Library documentation from TypeScript declarations

  • documentation
  • publishing

Research

TYPO3

Page and content structures for larger websites

  • cms
  • publishing

Research

Undark

Follow reporting at the intersection of science and society.

  • science
  • journalism

Research

UniProt

Find protein sequences and functional information.

  • biology
  • proteins

Research

V

Compact syntax for compiled applications

  • programming
  • types

Research

V-Dem

Study democracy through multidimensional data.

  • politics
  • data

Research

Vaadin

Java components for business web UIs

  • java
  • backend

Research

Vala

High-level programming with GObject

  • programming
  • types

Research

Vert.x

Asynchronous services on the JVM

  • java
  • backend

Research

vHMML

Read manuscripts and learn paleography.

  • manuscripts
  • learning

Research

Virgo

Explore gravitational-wave detection and research resources.

  • physics
  • gravity

Research

Wagtail

Django content using blocks and page models

  • cms
  • publishing

Research

WALS

Compare structural features across world languages.

  • language
  • typology

Research

WASI

System-interface standards for WebAssembly

  • wasm
  • runtime

Research

WasmCloud

Portable services from WebAssembly components

  • wasm
  • runtime

Research

WasmEdge

WebAssembly runtime for cloud and edge

  • wasm
  • runtime

Research

Wasmer

WebAssembly execution and deployment

  • wasm
  • runtime

Research

Wikibooks

Read textbooks created through community collaboration.

  • books
  • learning

Research

WikiPathways

Explore community-curated biological pathway diagrams.

  • biology
  • pathways

Research

Wikispecies

Find taxonomic names and species references.

  • biology
  • taxonomy

Research

Wikiversity

Explore community learning resources in multiple languages.

  • education
  • learning

Research

Wing

Infrastructure and runtime code in one language

  • serverless
  • deployment

Research

WorldCat

Find books and other materials across libraries.

  • books
  • bibliography

Research

Yargs

Command-line arguments for Node.js

  • cli
  • javascript

Research

Yeoman

Project scaffolding through generators

  • code-generation
  • automation

Research

YourGenome

Learn foundational concepts about DNA, genes, and genomes.

  • genetics
  • education

Research

Zuul

Pre-merge verification of dependent changes

  • ci
  • automation

Research

Access Now

Read research on digital rights and internet freedom.

  • rights
  • internet

Research

Alison

Search online courses by skill and subject.

  • education
  • courses

Research

Apache HTTP Server

Apache HTTP Server offers a web server and module documentation for teams maintaining an existing web server configuration.

  • api
  • networking

Research

Argo CD

Argo CD offers Kubernetes GitOps deployment tooling for teams comparing Git declarations with cluster state.

  • ci-cd
  • deployment

Research

Better Auth

Better Auth offers a TypeScript authentication library for teams implementing accounts and sessions in an app.

  • authentication
  • identity

Research

Brilliant

Practice math, science, and logic with interactive problems.

  • math
  • learning

Research

British Library

Search British Library collections and research resources.

  • library
  • archives

Research

Brookings

Read policy research, data, and topical analysis.

  • policy
  • analysis

Research

Caddy

Caddy offers a web server and reverse proxy for teams setting up HTTPS and routing for a small site.

  • api
  • networking

Research

Chef

Chef offers infrastructure configuration automation for teams organizing host configuration and audits.

  • infrastructure
  • automation

Research

ChemCollective

Practice chemistry concepts and calculations in a virtual lab.

  • chemistry
  • simulation

Research

Chroma

Chroma offers a vector database and local development guides for teams storing text embeddings in a prototype.

  • vector-search
  • retrieval

Research

CK-12

Read interactive STEM textbooks and exercises.

  • education
  • stem

Research

ClickHouse

ClickHouse offers a column-oriented analytics database and query tools for teams aggregating large event and time-series datasets.

  • database
  • sql

Research

CockroachDB

CockroachDB offers a distributed SQL database and documentation for teams evaluating multi-region transactional data needs.

  • database
  • sql

Research

CORE

Search open access papers and repository content.

  • scholarship
  • open-access

Research

Apache CouchDB

Apache CouchDB offers a document database and replication documentation for teams designing data that needs distributed synchronization.

  • database
  • data-storage

Research

Coursera

Find professional and academic online courses.

  • education
  • courses

Research

Crash Course

Watch introductory science, history, and humanities series.

  • education
  • video

Research

Crossref

Check DOI, publication, and citation metadata.

  • scholarship
  • metadata

Research

Curriki

Find AI courses for teachers and classroom resources.

  • education
  • teachers

Research

Destatis

Find German official population, industry, and social statistics.

  • statistics
  • germany

Research

Dryad

Find datasets connected to research publications.

  • scholarship
  • data

Research

DuckDB

DuckDB offers an in-process analytical database and SQL queries for teams analyzing local tables and data files.

  • database
  • sql

Research

EarthChem

Search geochemical samples and datasets.

  • geochemistry
  • data

Research

EarthSky

Read skywatching and Earth science explainers.

  • astronomy
  • education

Research

edX

Browse online courses from universities and institutions.

  • education
  • courses

Research

Effect

Effect offers TypeScript effects and error handling tools for teams organizing asynchronous flows and failures.

  • typescript
  • library

Research

Elasticsearch

Elasticsearch offers a full-text search and analytics engine for teams exploring search across logs or documents.

  • search
  • indexing

Research

Elysia

Elysia offers a TypeScript web framework in the Bun ecosystem for teams prototyping an API with typed definitions.

  • backend
  • api-framework

Research

EMSC

Check earthquake reports and observational information worldwide.

  • earthquakes
  • monitoring

Research

Envoy

Envoy offers a service proxy and observable network layer for teams managing traffic between microservices.

  • api
  • networking

Research

Eos

Read reporting on Earth and space science research.

  • earth
  • science

Research

EUMETSAT

Find European weather satellite missions and imagery.

  • satellite
  • weather

Research

Explorable

Read research methods, statistics, and experiment guides.

  • education
  • research-methods

Research

Fastify

Fastify offers a Node.js web framework and plugin system for teams building an API with schema validation.

  • backend
  • api-framework

Research

Feathers

Feathers offers a JavaScript service and real-time API framework for teams quickly prototyping a data service.

  • backend
  • api-framework

Research

Field Museum

Read natural history research and collections from the Field Museum.

  • science
  • museum

Research

Flux

Flux offers Kubernetes GitOps controllers for teams updating cluster configuration from a repository.

  • ci-cd
  • deployment

Research

g0v 零時政府

Explore Taiwan civic technology and open government projects.

  • taiwan
  • civic-tech

Research

GADM

Get country administrative boundary GIS data.

  • maps
  • data

Research

GeoGebra

Explore geometry, algebra, and calculus with interactive graphs.

  • math
  • interactive

Research

Geology.com

Read introductions to rocks, minerals, and Earth science.

  • geology
  • education

Research

Gitleaks

Gitleaks offers secret scanning for Git history and files for teams finding accidentally committed credentials before push.

  • security
  • scanning

Research

hapi

hapi offers a Node.js server framework and routing tools for teams maintaining a multi-endpoint HTTP service.

  • backend
  • api-framework

Research

HAProxy

HAProxy offers a load balancing and reverse proxy tool for teams distributing traffic among application servers.

  • api
  • networking

Research

Healthchecks

Healthchecks offers heartbeat checks for scheduled jobs for teams confirming a daily backup job ran.

  • monitoring
  • observability

Research

Helm

Helm offers a Kubernetes package manager for teams repeating service deployments with many settings.

  • infrastructure
  • automation

Research

Hono

Hono offers a web API framework for multiple runtimes for teams building lightweight endpoints at the edge.

  • backend
  • api-framework

Research

HTTP Archive

HTTP Archive offers public website performance datasets and reports for teams studying trends in page resource sizes.

  • performance
  • website-audit

Research

iNaturalist

Record and identify nature observations and browse community data.

  • nature
  • citizen-science

Research

INDEC

Find Argentine census and economic statistics.

  • statistics
  • argentina

Research

Chile INE

Find Chilean official demographic and economic statistics.

  • statistics
  • chile

Research

INEGI

Find Mexican population, geographic, and economic data.

  • statistics
  • mexico

Research

INEI

Find Peruvian census and social statistics.

  • statistics
  • peru

Research

InfluxDB

InfluxDB offers a time-series database and query tools for teams observing sensor data and system metrics.

  • database
  • sql

Research

INSEE

Find French demographic and economic statistics.

  • statistics
  • france

Research

SAGE

Explore seismic facilities, data services, and geoscience education resources.

  • earthquakes
  • education

Research

ISTAT

Find Italian demographic, economic, and social statistics.

  • statistics
  • italy

Research

ITIS

Look up scientific species names and taxonomic information.

  • taxonomy
  • data

Research

Jaeger

Jaeger offers a distributed tracing platform for teams locating latency across service requests.

  • monitoring
  • observability

Research

jq

jq offers command-line JSON queries and transformations for teams extracting fields from a large API response.

  • data-format
  • conversion

Research

JSON Schema

JSON Schema offers a JSON data structure validation specification for teams defining field rules for API input.

  • data-format
  • conversion

Research

KOSIS

Compare Korean demographic, economic, and social statistics.

  • statistics
  • korea

Research

Kubernetes

Kubernetes offers a container orchestration platform and official guides for teams managing deployment and scaling for multiple services.

  • containers
  • deployment

Research

Library of Congress

Search digitized collections and research guides from the US national library.

  • library
  • archives

Research

Locust

Locust offers Python-based load testing for teams designing concurrent requests around real flows.

  • load-testing
  • performance

Research

MariaDB

MariaDB offers an open-source relational database and release information for teams evaluating a MySQL-compatible deployment.

  • database
  • sql

Research

Meilisearch

Meilisearch offers an application search engine and API for teams building a searchable index for site content.

  • search
  • indexing

Research

MERLOT

Search peer-reviewed online teaching materials.

  • education
  • resources

Research

UK Met Office

Read UK weather forecasts and climate science information.

  • weather
  • climate

Research

Meteostat

Query historical weather station observations.

  • weather
  • data

Research

MongoDB

MongoDB offers a document database and developer documentation for teams handling application data with evolving fields.

  • database
  • sql

Research

MoSPI

Find Indian official economic and social statistics.

  • statistics
  • india

Research

mySociety

Explore civic participation, parliamentary, and transparency tools.

  • civic-tech
  • governance

Research

NBER

Search economics working papers and data resources.

  • economics
  • scholarship

Research

NestJS

NestJS offers a modular Node.js server framework for teams organizing service boundaries in a larger backend.

  • backend
  • api-framework

Research

NGINX

NGINX offers web server and reverse proxy documentation for teams tuning static delivery and upstream proxying.

  • api
  • networking

Research

Nightwatch.js

Nightwatch.js offers a browser testing and automation framework for teams testing interactions across pages.

  • testing
  • browser-automation

Research

NIWA

Explore New Zealand climate, ocean, and freshwater research.

  • climate
  • oceans

Research

Numberphile

Watch mathematicians discuss numbers, theorems, and puzzles.

  • math
  • video

Research

OBIS

Explore marine species occurrence records.

  • marine
  • data

Research

OEC

Compare countries, products, and bilateral trade data.

  • trade
  • visualization

Research

Ogimet

Search actual observations from weather stations worldwide.

  • weather
  • data

Research

OneGeology

View geological layers through global map services.

  • geology
  • maps

Research

OneZoom

Explore species relationships on an interactive tree of life.

  • evolution
  • interactive

Research

OpenAIRE

Explore European open science outputs and data services.

  • open-science
  • europe

Research

OpenAlex

Search scholarly works, authors, institutions, and citation links.

  • scholarship
  • data

Research

OpenSearch

OpenSearch offers a search and analytics platform with open documentation for teams building a queryable operational log index.

  • search
  • indexing

Research

OpenTofu

OpenTofu offers open-source infrastructure-as-code tooling for teams maintaining reviewable environment definitions.

  • infrastructure
  • automation

Research

OpenupEd

Find European open online courses and education resources.

  • education
  • europe

Research

Phys.org

Read science and technology research news by discipline.

  • science
  • news

Research

Physics World

Read physics research news, features, and career content.

  • physics
  • news

Research

PostgreSQL

PostgreSQL offers a relational database and SQL documentation for teams planning transactional tables and indexes.

  • database
  • sql

Research

Pulumi

Pulumi offers infrastructure definitions in programming languages for teams keeping environment provisioning alongside code.

  • infrastructure
  • automation

Research

Puppet

Puppet offers a server configuration management platform for teams tracking configuration consistency across hosts.

  • infrastructure
  • automation

Research

Qdrant

Qdrant offers a vector search engine and API for teams finding related documents from embeddings.

  • vector-search
  • retrieval

Research

QuestDB

QuestDB offers a time-series SQL database for teams querying continuously ingested event streams.

  • database
  • sql

Research

Redis

Redis offers an in-memory data store and caching tools for teams designing caches and queues for frequent reads.

  • database
  • data-storage

Research

Robot Framework

Robot Framework offers keyword-driven test automation for teams making test cases readable across a team.

  • testing
  • browser-automation

Research

Roper Center

Find polling questions and historical opinion data.

  • surveys
  • history

Research

RxJS

RxJS offers a reactive streams library for teams handling a continuous stream of UI events.

  • typescript
  • library

Research

Salt Project

Salt Project offers infrastructure automation and configuration management for teams managing the desired state of many hosts.

  • infrastructure
  • automation

Research

Science News

Follow research news and analysis across science disciplines.

  • science
  • news

Research

Science World

Find hands-on experiments and science teaching materials.

  • science
  • education

Research

Selenium

Selenium offers browser automation and WebDriver tooling for teams reproducing regressions in web interactions.

  • testing
  • browser-automation

Research

Semantic Scholar

Search research papers and follow citations and related work.

  • scholarship
  • search

Research

SETI Institute

Read astronomy, astrobiology, and extraterrestrial intelligence research.

  • astronomy
  • science

Research

SingStat

Find Singapore demographic and economic statistics.

  • statistics
  • singapore

Research

SQLite

SQLite offers an embedded SQL database and technical documentation for teams storing structured data in a local application.

  • database
  • sql

Research

Stats NZ

Find New Zealand population and economic statistics.

  • statistics
  • new-zealand

Research

Stellarium Web

Simulate the sky from different times and locations.

  • astronomy
  • interactive

Research

SurrealDB

SurrealDB offers a multimodel database and query language for teams exploring queries across related and document data.

  • database
  • sql

Research

Swagger

Swagger provides OpenAPI specifications and documentation tools for exploring API endpoints.

  • api
  • documentation

Research

TanStack

TanStack offers query, table, and routing libraries for teams managing data-heavy frontend interfaces.

  • typescript
  • library

Research

Terraform

Terraform offers infrastructure-as-code documentation for teams versioning cloud resource configurations.

  • infrastructure
  • automation

Research

TestCafe

TestCafe offers a browser end-to-end testing tool for teams automating repeated form workflows.

  • testing
  • browser-automation

Research

The Lens

Search scholarly literature and patent records together.

  • scholarship
  • patents

Research

Trivy

Trivy offers container and infrastructure security scanning for teams checking container images before release.

  • security
  • scanning

Research

tRPC

tRPC offers end-to-end typed APIs for TypeScript for teams sharing endpoint types across frontend and backend.

  • typescript
  • library

Research

Typesense

Typesense offers a fast search engine and developer guides for teams adding instant search to a product catalog.

  • search
  • indexing

Research

HDX

Search datasets and maps for humanitarian crises.

  • humanitarian
  • data

Research

UNCTADstat

Compare international trade and investment datasets.

  • trade
  • data

Research

Universe Today

Read space exploration and astronomy research reporting.

  • astronomy
  • news

Research

Uptime Kuma

Uptime Kuma offers a self-hosted uptime monitoring tool for teams monitoring site endpoints and presenting status.

  • monitoring
  • observability

Research

DHS Program

Find demographic and health survey data and reports.

  • health
  • surveys

Research

Valibot

Valibot offers a modular data validation library for teams building composable rules for input.

  • typescript
  • library

Research

Valkey

Valkey offers an open-source key-value database and deployment guides for teams evaluating an open-source caching layer.

  • database
  • data-storage

Research

Ventusky

View forecast weather fields on an interactive map.

  • weather
  • maps

Research

Veritasium

Watch experiments and interviews unpack science questions.

  • science
  • video

Research

Voteview

Analyze historical US congressional voting records.

  • legislation
  • data

Research

Windy

Compare wind, rain, and temperature forecast layers.

  • weather
  • maps

Research

WTO Data

Find international trade statistics and tariff data.

  • trade
  • statistics

Research

Zenodo

Find research datasets, software, and publications.

  • scholarship
  • repositories

Research

Zod

Zod offers TypeScript data schema validation for teams validating form and API input.

  • typescript
  • library

Research

Zoom Earth

View satellite cloud images, storms, and weather imagery.

  • weather
  • satellite

Research

Actix Web

Getting Started covers Rust setup before Hello World. Useful when you need to find the shape of a minimal Actix Web server.

  • documentation
  • web-framework
  • actix-web

Research

AdonisJS

Installation leads to app creation and starter kit choices. Useful when you need to locate the start of a new AdonisJS project.

  • documentation
  • web-framework
  • adonisjs

Research

Alpine.js

Start Here uses a counter to show data declarations and event listeners. Useful when you need to add a small interaction to a static page.

  • documentation
  • web-framework
  • alpinejs

Research

Angular

What is Angular? connects core concepts with the next tutorials. Useful when you need to move from the framework overview to a focused tutorial.

  • documentation
  • web-framework
  • angular

Research

arXiv

Find preprint abstracts, versions, and author information.

  • preprints
  • papers
  • research

Research

Astro

Astro Docs separates pages, routing, components, and builds. Useful when you need to locate a focused Astro topic from the docs index.

  • documentation
  • web-framework
  • astro

Research

Data.gov.au

Browse Australian government dataset records and provenance.

  • australia
  • open-data
  • government

Research

AVA

Writing tests shows test cases and assertions. Useful when you need to read AVA test functions and assertions.

  • documentation
  • testing
  • ava

Research

Babel

What is Babel? explains JavaScript compilation, JSX, and transforms. Useful when you need to look up how syntax transforms relate to presets.

  • documentation
  • developer-tool
  • babel

Research

Biome

Quick start groups setup, configuration, and next steps. Useful when you need to find initial formatting and lint settings.

  • documentation
  • developer-tool
  • biome

Research

Bun

Welcome to Bun introduces the runtime and bundled tools together. Useful when you need to locate documentation for running scripts and managing packages.

  • documentation
  • runtime
  • bun

Research

CDC FastStats

Read concise U.S. public-health statistics with source links.

  • health
  • statistics
  • us

Research

Climate TRACE

Read how greenhouse-gas emissions are estimated and documented.

  • emissions
  • climate
  • methodology

Research

Clojure

The Syntax page lists literals and numeric types. Useful when you need to look up textual representations of Clojure data.

  • documentation
  • programming-language
  • clojure

Research

Crystal

The Language Introduction collects basic syntax and idioms. Useful when you need to find a first Crystal program and its syntax.

  • documentation
  • programming-language
  • crystal

Research

Cypress

Why Cypress? introduces end to end and component testing. Useful when you need to choose which browser testing guide to read.

  • documentation
  • testing
  • cypress

Research

Dart

Introduction to Dart covers Hello World, variables, and control flow. Useful when you need to compare adjacent examples of Dart basics.

  • documentation
  • programming-language
  • dart

Research

DataReportal

Read reports on internet and digital behavior worldwide.

  • digital
  • internet
  • reports

Research

Deno

Get started groups guides, concepts, and diagnostics. Useful when you need to find introductory runtime and project setup topics.

  • documentation
  • runtime
  • deno

Research

Django

The first tutorial starts by creating a project and Polls app. Useful when you need to follow the first example of URLs and app structure.

  • documentation
  • web-framework
  • django

Research

Docusaurus

Introduction points to documentation site setup and migration. Useful when you need to plan a project documentation site written in Markdown.

  • documentation
  • web-framework
  • docusaurus

Research

.NET

Introduction to .NET outlines platform components and docs. Useful when you need to distinguish the runtime from its libraries.

  • documentation
  • developer-platform
  • dotnet

Research

Drizzle ORM

Why Drizzle? leads to schema, queries, and migration topics. Useful when you need to look up how a data model maps to SQL queries.

  • documentation
  • database
  • drizzle-orm
  • orm

Research

Eleventy

Get Started proceeds through project directory, installation, and configuration. Useful when you need to check the initial structure of a static site.

  • documentation
  • web-framework
  • eleventy

Research

Ember.js

Quick Start shows the CLI, app creation, and template HTML. Useful when you need to understand the first template in an Ember app.

  • documentation
  • web-framework
  • ember

Research

Erlang

Getting Started states prerequisites and tutorial scope. Useful when you need to check the background assumed by Erlang docs.

  • documentation
  • programming-language
  • erlang

Research

esbuild

Getting Started covers setup, a first bundle, and build scripts. Useful when you need to look up arguments for a minimal bundle.

  • documentation
  • developer-tool
  • esbuild

Research

ESLint

Getting Started moves from quick start to configuration. Useful when you need to check configuration before adding JavaScript rules.

  • documentation
  • developer-tool
  • eslint

Research

ESO Images

Explore astronomy images with scientific captions.

  • astronomy
  • images
  • science

Research

Eurostat

Read EU statistical articles and data notes.

  • europe
  • statistics
  • public-data

Research

Express

The Hello world example responds to a request with one route. Useful when you need to check the smallest Express route.

  • documentation
  • web-framework
  • express

Research

FastAPI

First Steps shows a first API and interactive documentation. Useful when you need to connect an endpoint declaration to its docs page.

  • documentation
  • web-framework
  • fastapi

Research

Fiber

Welcome connects Hello World to a step by step app guide. Useful when you need to find an example of a first Fiber route.

  • documentation
  • web-framework
  • fiber

Research

Flask

Quickstart shows a minimal app and debug mode. Useful when you need to find a minimal Flask route example.

  • documentation
  • web-framework
  • flask

Research

Gapminder

Read Factfulness data notes and source references.

  • data-literacy
  • statistics
  • education

Research

Gatsby

The official docs connect tutorials with site building concepts. Useful when you need to find the starting guide for a content site.

  • documentation
  • web-framework
  • gatsby
  • react

Research

GeoNames

Look up place records and names in different languages.

  • gazetteer
  • maps
  • geodata

Research

Gin

Quickstart proceeds from setup to a first app and running it. Useful when you need to find a starting example for a Go HTTP handler.

  • documentation
  • web-framework
  • gin

Research

Git

gittutorial organizes configuration, snapshots, and branches. Useful when you need to check the meaning of a basic version control operation.

  • documentation
  • developer-tool
  • git

Research

Gleam

The Language Tour separates functions, flow control, and data types. Useful when you need to look up basic Gleam function and type syntax.

  • documentation
  • programming-language
  • gleam

Research

Go

Getting started goes from setup to first code and an external package. Useful when you need to look up how to use a package after starting a module.

  • documentation
  • programming-language
  • go

Research

Haskell

Documentation groups introductory books, advanced books, and courses. Useful when you need to pick learning material for the current level.

  • documentation
  • programming-language
  • haskell

Research

htmx

Documentation first shows the basic attribute and HTTP interaction pattern. Useful when you need to look up how a button requests and updates content.

  • documentation
  • web-framework
  • htmx

Research

Hugo

Getting started covers quick start, basic use, and directory structure. Useful when you need to check a Hugo site's content directories.

  • documentation
  • web-framework
  • hugo

Research

Internet Archive

Find public records for digitized books, media, and web archives.

  • archive
  • books
  • media

Research

IPCC Reports

Read assessment chapters from the Intergovernmental Panel on Climate Change.

  • climate
  • reports
  • research

Research

J-STAGE

Read articles and abstracts in Japanese scholarly journals.

  • journal
  • research
  • japan

Research

Jasmine

Your first suite separates suites, specs, and functions. Useful when you need to structure the description blocks of a first Jasmine spec.

  • documentation
  • testing
  • jasmine

Research

Java

Learn Java separates first steps, language topics, and API learning. Useful when you need to move from syntax basics to the standard library.

  • documentation
  • programming-language
  • java

Research

The Modern JavaScript Tutorial

JavaScript Fundamentals steps through variables, types, and interaction. Useful when you need to review core syntax in chapter order.

  • documentation
  • learning
  • javascript

Research

Jekyll

Quickstart starts with creating and previewing a site. Useful when you need to check the basic steps before making a blog.

  • documentation
  • web-framework
  • jekyll

Research

Jest

Getting Started covers CLI use, configuration, and Babel integration. Useful when you need to find configuration examples for an existing test project.

  • documentation
  • testing
  • jest

Research

Julia

Getting Started points to the REPL and learning resources. Useful when you need to find guidance for a first interactive Julia session.

  • documentation
  • programming-language
  • julia

Research

Knex.js

The guide separates installation, configuration, and query building. Useful when you need to look up the syntax of a SQL query chain.

  • documentation
  • database
  • knex

Research

Kotlin

Get started separates installation from Kotlin use cases. Useful when you need to pick a starting guide for the target platform.

  • documentation
  • programming-language
  • kotlin

Research

Laravel

Installation separates app creation, initial setup, and database work. Useful when you need to check the configuration order of a new Laravel project.

  • documentation
  • web-framework
  • laravel

Research

LibriVox

Find volunteer-read public-domain audiobooks by work.

  • audiobooks
  • literature
  • public-domain

Research

Lit

Getting Started links the Playground and interactive tutorial. Useful when you need to explore a Web Component pattern and example.

  • documentation
  • web-framework
  • lit

Research

Math is Fun

Review mathematics concepts with explanations and worked examples.

  • algebra
  • math
  • education

Research

Mathigon

Follow topic-based mathematics lessons with diagrams and explanations.

  • mathematics
  • lessons
  • visual-learning

Research

MDN Web Docs

The JavaScript guide separates introductory explanations from the detailed reference. Useful when you need to move from a language concept to its precise API definition.

  • documentation
  • learning
  • javascript

Research

Meteor

Meteor Docs separates setup, frontend integration, and RPC APIs. Useful when you need to find the docs for data exchange in a full stack project.

  • documentation
  • web-framework
  • meteor

Research

Mocha

The official site starts with test framework docs and examples. Useful when you need to find the basic structure of a Node.js test.

  • documentation
  • testing
  • mocha

Research

Mongoose

The Schemas page connects schema, model, and reference material. Useful when you need to look up how to define document fields.

  • documentation
  • database
  • mongoose
  • odm

Research

Mock Service Worker

Quick start moves from request handlers to process integration. Useful when you need to find setup for intercepting HTTP requests in tests.

  • documentation
  • testing
  • msw

Research

Natural Earth

Browse small-scale map datasets and their scope.

  • maps
  • geodata
  • public-domain

Research

Next.js

Next.js Docs explains where App Router and Pages Router documentation begins. Useful when you need to choose documentation for the router used by a project.

  • documentation
  • web-framework
  • nextjs
  • react

Research

NOAA NCEI

Read climate-data releases and their context.

  • climate
  • data
  • noaa

Research

Node.js

Introduction to Node.js includes a small application example. Useful when you need to identify the entry point of server side JavaScript.

  • documentation
  • runtime
  • nodejs

Research

NRICH

Read problem-solving resources for mathematics education.

  • math
  • problem-solving
  • education

Research

Nuxt

Introduction connects conventions, server rendering, and the server engine. Useful when you need to understand a Nuxt project's conventions and rendering model.

  • documentation
  • web-framework
  • nuxt

Research

Nx

What is Nx? discusses monorepo challenges and the tool's approach. Useful when you need to understand how a project graph relates to task execution.

  • documentation
  • developer-tool
  • nx

Research

OCaml

Your First OCaml Program walks through switches and compilation. Useful when you need to understand the opam environment and program flow.

  • documentation
  • programming-language
  • ocaml

Research

OER Commons

Discover openly shared lesson and course records.

  • oer
  • lessons
  • education

Research

OpenStax

Read open textbooks chapter by chapter.

  • textbooks
  • biology
  • education

Research

Our World in Data

Read articles and charts on long-run global trends.

  • data
  • global-development
  • research

Research

Oxc

Oxlint docs list configuration, integration, and migration topics. Useful when you need to examine how to configure the linter.

  • documentation
  • developer-tool
  • oxc

Research

Parcel

The web app guide shows where a frontend application begins. Useful when you need to check how page assets enter the bundler.

  • documentation
  • developer-tool
  • parcel

Research

Perl

perlintro explains Perl and begins with syntax examples. Useful when you need to read a basic Perl expression in a maintenance script.

  • documentation
  • programming-language
  • perl

Research

Phoenix

Overview explains the Elixir web framework and MVC structure. Useful when you need to find entry points for Phoenix modules and realtime features.

  • documentation
  • web-framework
  • phoenix

Research

PHP

The simple tutorial introduces syntax through a first PHP page. Useful when you need to check the basic form of PHP inside an HTML page.

  • documentation
  • programming-language
  • php

Research

Playwright

Installation covers package setup and a first test. Useful when you need to find the starting guide for browser tests.

  • documentation
  • testing
  • playwright

Research

PLOS Journals

Read research articles and abstracts in PLOS journals.

  • journal
  • research
  • open-access

Research

pnpm

Motivation explains shared disk storage and node_modules layout. Useful when you need to understand the dependency layout after installation.

  • documentation
  • developer-tool
  • pnpm

Research

Preact

Getting Started links basics, debugging and testing, and advanced topics. Useful when you need to find an entry path for a small component project.

  • documentation
  • web-framework
  • preact

Research

Prettier

What is Prettier? explains the formatter's purpose. Useful when you need to decide which tool handles code formatting.

  • documentation
  • developer-tool
  • prettier

Research

Prisma

What is Prisma ORM? leads to schema and database connections. Useful when you need to understand the roles of Prisma schema and client.

  • documentation
  • database
  • prisma
  • orm

Research

Project Gutenberg

Find ebook records by title and author in Project Gutenberg's catalog.

  • ebooks
  • literature
  • public-domain

Research

PubMed Central

Read public full-text biomedical articles with citation details.

  • biomedicine
  • papers
  • archive

Research

Puppeteer

Getting started covers installation and launching a browser. Useful when you need to look up how a script opens a page and reads content.

  • documentation
  • testing
  • puppeteer

Research

Python

The tutorial Introduction uses examples for arithmetic and strings. Useful when you need to revisit Python values and expressions.

  • documentation
  • programming-language
  • python

Research

Quanta Magazine

Read in-depth reporting on mathematics and basic science.

  • science
  • mathematics
  • journalism

Research

Quarkus

Creating your first application begins with prerequisites and project creation. Useful when you need to find the steps for starting a Quarkus project.

  • documentation
  • web-framework
  • quarkus

Research

Qwik

Getting Started Qwikly moves from app creation to a route example. Useful when you need to follow the structure of an initial route.

  • documentation
  • web-framework
  • qwik

Research

R Project

An Introduction to R begins with the environment and data objects. Useful when you need to review R vectors and basic data handling.

  • documentation
  • programming-language
  • r

Research

Ruby on Rails

Getting Started explains Rails concepts before the app tutorial. Useful when you need to find the basic files and routes in a Rails project.

  • documentation
  • web-framework
  • rails

Research

React

Your First Component shows how components combine markup and JavaScript. Useful when you need to break a screen section into a reusable component.

  • documentation
  • web-framework
  • react

Research

React Router

Installation takes readers from package setup to declarative routing. Useful when you need to check the correct guide before defining a first route.

  • documentation
  • web-framework
  • react-router
  • react

Research

Rocket

Getting Started moves from Rust setup to Hello World. Useful when you need to look up a Rocket route and launch example.

  • documentation
  • web-framework
  • rocket

Research

Rollup

Introduction leads to configuration and the JavaScript API. Useful when you need to look up configuration for bundling a library.

  • documentation
  • developer-tool
  • rollup

Research

Rsbuild

Introduction groups performance and migration entry points. Useful when you need to look up migration paths for an older frontend build.

  • documentation
  • developer-tool
  • rsbuild

Research

Rspack

Introduction explains the tool and links to comparisons and setup. Useful when you need to find docs relevant to an existing bundle setup.

  • documentation
  • developer-tool
  • rspack

Research

Rust

The Rust Programming Language starts with environment setup. Useful when you need to find the starting point for a Cargo project.

  • documentation
  • programming-language
  • rust

Research

Seeing Theory

Study probability and statistics through visual chapters.

  • statistics
  • probability
  • visual-learning

Research

Sequelize

Getting Started moves from setup to connecting and closing a connection. Useful when you need to review the lifecycle of a database connection.

  • documentation
  • database
  • sequelize
  • orm

Research

Sinatra

The README uses a get route for a minimal Ruby web app. Useful when you need to look up how a route block returns content.

  • documentation
  • web-framework
  • sinatra

Research

Spring

The Spring Boot guide states the app to build and needed tools. Useful when you need to find a first Spring Boot project guide.

  • documentation
  • web-framework
  • spring

Research

SQLAlchemy

The Unified Tutorial puts Core and ORM in one learning path. Useful when you need to compare two entry points for Python database queries.

  • documentation
  • database
  • sqlalchemy
  • orm

Research

Standard Ebooks

Browse edited public-domain ebooks and their bibliographic pages.

  • ebooks
  • literature
  • public-domain

Research

Storybook

Get started points to setup and supported frameworks. Useful when you need to find the integration guide for an existing component project.

  • documentation
  • testing
  • storybook

Research

Stylelint

Getting started separates CSS, CSS like syntax, and custom syntaxes. Useful when you need to find lint setup for a stylesheet.

  • documentation
  • developer-tool
  • stylelint

Research

Svelte

Svelte docs organize runes, template syntax, and styling. Useful when you need to look up state and template syntax while writing a component.

  • documentation
  • web-framework
  • svelte

Research

SWC

Getting Started covers installation and available binaries. Useful when you need to find the setup path for a transpiler.

  • documentation
  • developer-tool
  • swc

Research

Symfony

Installing & Setting up covers requirements and new or existing projects. Useful when you need to look up setup for an existing Symfony project.

  • documentation
  • web-framework
  • symfony

Research

TED-Ed

Use lesson pages that pair videos with questions and further material.

  • lessons
  • video
  • education

Research

Testing Library

Introduction starts test queries from user behavior. Useful when you need to look up queries based on visible text.

  • documentation
  • testing
  • testing-library

Research

Turborepo

Introduction starts with monorepo workflow and documentation paths. Useful when you need to look up build coordination in a multi package repository.

  • documentation
  • developer-tool
  • turborepo

Research

TypeORM

Getting Started lists setup, TypeScript configuration, and a quick start. Useful when you need to look up the starting point for entities and connections.

  • documentation
  • database
  • typeorm
  • orm

Research

TypeScript

The Handbook explains its structure and TypeScript's scope. Useful when you need to choose the right chapter for a type system question.

  • documentation
  • programming-language
  • typescript

Research

Data.gov

Search the catalog of U.S. government datasets.

  • us
  • open-data
  • government

Research

USAFacts

Read data stories about U.S. government and society.

  • us
  • elections
  • data-journalism

Research

Vite

Getting Started leads to development server and build configuration. Useful when you need to find the development and build entry points.

  • documentation
  • developer-tool
  • vite

Research

VitePress

Getting Started leads to writing, customization, and configuration. Useful when you need to look up how to author pages for a docs site.

  • documentation
  • web-framework
  • vitepress

Research

Vitest

Getting Started links mocking, Browser Mode, and test workflow. Useful when you need to look up test files and mock data.

  • documentation
  • testing
  • vitest

Research

Vue.js

Introduction illustrates declarative rendering and reactivity. Useful when you need to trace how state changes appear in a template.

  • documentation
  • web-framework
  • vue

Research

web.dev

Learn HTML covers document structure, semantic elements, and forms. Useful when you need to review HTML semantics and forms.

  • documentation
  • learning
  • html

Research

WebdriverIO

Getting Started leads to test runner setup. Useful when you need to find setup steps for browser automation tests.

  • documentation
  • testing
  • webdriverio

Research

webpack

Concepts separates entry, output, and loaders. Useful when you need to trace modules from entry to output.

  • documentation
  • developer-tool
  • webpack

Research

WHO Data

Consult World Health Organization health-indicator definitions.

  • health
  • indicators
  • public-data

Research

Wikidata

Inspect structured statements and identifiers for entities.

  • structured-data
  • identifiers
  • wiki

Research

Wikimedia Commons

Inspect media files with their source, description, and license statements.

  • media
  • images
  • license

Research

Wikisource

Read open texts and follow their chapter structure on Wikisource.

  • texts
  • literature
  • wiki

Research

Wikivoyage

Read collaboratively edited city travel guides.

  • travel
  • taipei
  • reference

Research

Wiktionary

Read word entries with definitions, parts of speech, and usage information.

  • dictionary
  • language
  • wiki

Research

Wolfram MathWorld

Look up mathematical definitions, formulas, and references.

  • mathematics
  • reference
  • encyclopedia

Research

WorldPop

Read methods behind spatial population estimates.

  • population
  • gis
  • methods

Research

Yarn

Getting Started provides an entry point to package management. Useful when you need to look up workspace package management concepts.

  • documentation
  • developer-tool
  • yarn

Research

Zig

The Language Reference organizes rules by version and topic. Useful when you need to find Zig syntax or compile time concepts.

  • documentation
  • programming-language
  • zig

Research

SQLBolt

Learn SQL through short lessons and interactive browser exercises, with table results shown after each query.

  • sql
  • database
  • learning

Research

Can I email

Check HTML and CSS support and limitations across email clients.

  • email
  • html
  • css

Research

Can I use

Look up support for web technologies across browser versions.

  • browser-support
  • css
  • web-platform

Research

ChatGPT

An AI assistant for conversation, drafting, analysis, and research tasks.

  • ai
  • research
  • writing

Research

Google Gemini

Google's AI assistant for asking questions, drafting, and working through information.

  • ai
  • research
  • google

Research

NotebookLM

A Google research assistant that works from sources collected in a notebook.

  • ai
  • research
  • source-notes

Research