RecipeTin Eats
Home-cooking recipes for main dishes, quick dinners, and varied cuisines.
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 1441–1488.
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Recordly
An open-source screen recorder for polished product demos and walkthroughs.
Red Blob Games
Move start and goal positions, compare the resulting path, then use the explanations and code examples to study game-development algorithms.
Redactle
A word puzzle revealing a redacted encyclopedia article.
Redalyc
Find scholarly journals and articles across languages.
Redirect Checker
Redirect Checker offers URL redirect flow inspection for teams finding unnecessary redirect hops.
Redis
Redis offers an in-memory data store and caching tools for teams designing caches and queues for frequent reads.
RedKetchup
A collection of online tools for images, animation files, and icons.
Redocly
Redocly offers an OpenAPI documentation and governance platform for teams managing several API specification files.
Reedsy Studio
Reedsy Studio focuses on book writing, formatting, and collaboration.
Reef Life Survey
Explore reef and marine biodiversity survey data.
Reflect Open
Organize ideas with daily notes, backlinks, and local Markdown files.
Regex Vis
View a regular expression's branches, groups, and repetition as a diagram, then check it against test strings.
regex101
Test regular expressions in a selected engine, inspect explanations and capture groups, and preview text replacements.
RegExr
An interactive workspace for learning, building, and testing JavaScript and PCRE regular expressions.
Reka UI
Reka UI provides unstyled interactive components for Vue.
ReliefWeb
Find reports and situation information about humanitarian crises.
Remix Icon
Remix Icon offers general-purpose interface symbols.
RemNote
RemNote focuses on notes linked to spaced-repetition cards.
remove.bg
remove.bg focuses on removing backgrounds around photo subjects.
REN21
Explore reports and trends in renewable energy.
Renderforest
A creative platform for template-based videos and design projects.
Renewables.ninja
Simulate wind and solar output at different locations.
Renoise
A digital audio workstation built around a music-tracker approach.
Renovate
Automated dependency-update changes
Replit
Prompt-driven application creation
Reptile Database
Check reptile taxonomy and scientific names.
ReScript
Typed language compiling to JavaScript
Research Square
Browse preprints and research communication resources.
ResearchRabbit
Expand a reading list through relationships between papers.
ResizePixel
A web image editor for cropping, resizing, and conversion.
Restate
Durable execution for workflows and stateful services
Rhino
A 3D modeling environment for surfaces, subdivision forms, and geometry.
Rick Steves
European travel guidance through articles, tours, and broadcast material.
RightFont
A Mac font manager for organization, previews, activation, and sharing.
Rijksmuseum Collection
Explore object records and stories from the Rijksmuseum.
RISM
Trace scores, manuscripts, and music-document sources.
Rive
A toolchain for designing, animating, and shipping interactive graphics in digital products.
Riverside
Riverside focuses on remote audio and video interview recording.
Roam Research
Roam Research focuses on bidirectional links across daily notes.
RoboFont
A font editor for drawing type, editing UFO files, and extending workflows.
Robot Framework
Robot Framework offers keyword-driven test automation for teams making test cases readable across a team.
Rockd
Connect geological maps with field observations.
Rocket
Getting Started moves from Rust setup to Hello World. Useful when you need to look up a Rocket route and launch example.
Rocq
Interactive formal reasoning
Rollbar
Rollbar offers error monitoring and exception grouping for teams triaging application errors by frequency.
Rollup
Introduction leads to configuration and the JavaScript API. Useful when you need to look up configuration for bundling a library.
Roper Center
Find polling questions and historical opinion data.