⚡ Unit tests for AI. Test prompts, compare models, save money.

Agent-friendly CLI for reading/writing large Markdown files

Inspect, build, or extend Figma design systems from Claude Code. Read-only audits with WCAG checks and component scoring, build mode with variable bindings and slots, optional Phase 6 sync to token…

Conditionally run actions based on files modified by PR, feature branch or pushed commits

Backstage TechDocs Mermaid Addon

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Easy to maintain open source documentation websites.

⚡ Fast, async, stream-based link checker written in Rust. Finds broken URLs and mail addresses inside Markdown, HTML, reStructuredText, websites and more!

Penpot: The open-source design tool for design and code collaboration

📜 33 JavaScript concepts every developer should know.

A design system built by IBM

⚡️ A curated list of awesome things related to Vite.js

Easy overview of the food options

Presentation of Chrome's tiny AI in the browser

Arithmetics simulated with logical circuits

Collection of TypeScript type challenges with online judge

🪄 Hide precious secrets. Realistic <Spoiler /> component for React

Simply beautiful open-source icons

A book series (2 published editions) on the JS language.

React Redux Todo Application

Liquid markup language. Safe, customer facing template language for flexible web apps.

Collection of useful notebooks and snippets

Practical Python Programming (course by @dabeaz)