Seamly
Fashion-design software for patterns driven by measurements and sizing data.
All sites
Browse hand-picked design inspiration, development tools, and research resources. Read an introduction before visiting the official site.
1976 sites, sorted by name. Showing 1537–1584.
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SearchSystem
A Design Engineer Tools resource for search-interface references.
Seat61
A detailed guide to rail travel, ticketing, and practical journey planning.
Seeing Theory
Study probability and statistics through visual chapters.
SEESAW
A website dedicated to design inspiration.
Seismological Society of America
Read seismology research and educational resources.
Selenium
Selenium offers browser automation and WebDriver tooling for teams reproducing regressions in web interactions.
Semantic Scholar
Search research papers and follow citations and related work.
Semantic Versioning
Version numbers describing compatibility
Semantle
A daily word puzzle driven by semantic similarity.
Semaphore
CI/CD organized into pipelines and blocks
Semgrep
Semgrep offers code rule scanning and security analysis for teams finding risky patterns before code review.
Semi Design
React components for business interfaces
Sentry
Sentry offers application error tracking and performance monitoring for teams finding exceptions and regressions after release.
Sequelize
Getting Started moves from setup to connecting and closing a connection. Useful when you need to review the lifecycle of a database connection.
SERC
Find Earth-science teaching resources and activities.
Serverless Framework
Configuration-based AWS Lambda deployments
SETI Institute
Read astronomy, astrobiology, and extraterrestrial intelligence research.
shadcn/ui
A React component resource that provides code you can copy into a project.
ShaderToy
A browser community for writing, running, and browsing real-time GLSL shader sketches.
Shakespeare Documented
Trace documentary evidence from Shakespeare's lifetime.
Shapr3D
A 3D CAD modeler for tablet and desktop workflows.
ShareX
An open-source Windows utility for screenshots, screen recording, and sharing workflows.
Shodan
Shodan offers internet device and service search for teams inventorying the exposure of one's public services.
Shoelace
Shoelace provides Web Components that work across frameworks.
Shotcut
A timeline-based video editor for combining footage, audio, and effects.
Shottr
Shottr focuses on lightweight screenshots and quick annotation.
Shutter Encoder
A media converter for video compression, encoding, and related processing.
SilverBullet
A knowledge workspace built around Markdown files.
SIMBAD
Resolve astronomical object names and trace research measurements.
Simple Image Resizer
An image resizer for preparing pictures for sharing or uploading.
Simple.css
Simple.css gives native HTML elements consistent base styling.
Simplenote
Simplenote focuses on lightweight text notes with version history.
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.
SingleStore
SingleStore offers a real-time analytical and transactional database for teams combining live dashboards with data ingestion.
SingStat
Find Singapore demographic and economic statistics.
SIPRI
Read research on armaments, security, and peace.
SiteSee
SiteSee focuses on a curated selection of website designs.
SKA Observatory
Follow a large radio-observatory project and its data challenges.
Skaffold
Kubernetes development workflows
Skeptical Science
Explore explanations of common climate-science questions.
Sketchbook
A drawing canvas and illustration tools for sketches and finished artwork.
Sketchpad
A web canvas combining drawing, shapes, and several image export formats.
Skills
A public index for discovering and installing agent skills.
Skribbl.io
A multiplayer drawing game where others guess the illustrated word.
SkyView
Retrieve survey images for a chosen sky position.
Slite
Slite focuses on team documents for knowledge and decisions.
Sloan Digital Sky Survey
Explore data and research from a large astronomical survey.