Free
Prompt Engineering Guide
Open SourceAgent & LLM Frameworks · AI for Developers
The most comprehensive open guide to prompting techniques.
aipromptslearningguide
Browse the complete directory — use filters to narrow down.
Agent & LLM Frameworks · AI for Developers
The most comprehensive open guide to prompting techniques.
Agent & LLM Frameworks · AI for Developers
Open-source tool for testing and evaluating LLM prompts and models.
Other Formats · Data Formats
Official Protocol Buffers documentation from Google.
Infrastructure as Code · DevOps
Infrastructure as code in real programming languages.
E2E & Browser · Testing
Node.js library to control Chrome via the DevTools Protocol.
Unit & Component · Testing
The de-facto testing framework for Python: plain asserts, powerful fixtures and a rich plugin ecosystem.
Programming Languages
Official website and documentation for the Python programming language.
Vector Databases · AI for Developers
Open-source vector database written in Rust, with cloud offering.
UI Libraries · Frontend
Vue framework that targets SPA, PWA, SSR, mobile (Capacitor) and desktop (Electron) from one codebase.
Models & LLM APIs · AI for Developers
Alibaba's open-weight model family with multilingual strengths.
Frameworks · Frontend
Resumable framework with lazy execution for near-instant loads.
Queues & Streaming · Database
Reliable, widely-deployed message broker with AMQP.
UI Libraries · Frontend
Unstyled, accessible React primitives for building design systems.
PaaS & Edge · Cloud Platforms
Deploy services and databases quickly with sensible defaults.
Wallets & Infrastructure · Web3 & Blockchain
The best-in-class React wallet-connect modal — beautiful UX over wagmi with multi-wallet support.
Launchers & Automation · Developer Utilities
Blazingly fast, extendable macOS launcher: commands, window management, snippets, AI and a rich extension store.
UI Libraries · Frontend
Adobe's headless hooks and components that bake in accessibility, keyboard and internationalization.
Browser DevTools · Development Environment
Official React extension to inspect component trees, props and state in the browser or standalone.
Cross-Platform · Mobile Development
Build native mobile apps using React and JavaScript.
Mobile UI Libraries · Mobile Development
Material Design component library for React Native with theming, dark mode and icon sets included.
Frameworks · Frontend
The standard router for React, now a full framework (v7).
Animation · Frontend
Physics-based animation library for React — springs instead of durations for natural motion.
3D & WebGL · Frontend
A React renderer for Three.js — build scenes declaratively with components, hooks and the pmnd ecosystem.
Documentation Generators · PDF & Documents
Hosted documentation platform for Sphinx and MkDocs projects.