Documentation tools

This GitHub repo is a powerhouse collection of APIs you can start using immediately to build everything from simple automations to full-scale applications. One of the most valuable API lists on GitHub—period. 💪

Persistently sharing high-quality, interesting and practical open-source technical tutorials, developer tools, programming websites and tech news from GitHub. A list of cool and interesting projects on GitHub.

Render markdown in the terminal streaming

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.

👨‍🚀 Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

Cut the tokens Claude Code loads at session start. CLI that sets up a small CLAUDE.md with on-demand docs, measures startup tokens, and keeps them small.

Vibe Coding from Beginner to Expert Tutorial | AI Pair Programming Workflow | Prompt, Skill, Workflow, Context Management, Codex Practical Guide

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

Offline documentation browser. Your personal reference library, searchable in an instant.

Generate production-quality SVG+PNG technical diagrams from natural language. 7 styles, UML support, and AI/Agent workflow patterns.

The unofficial WWDC app for macOS

A curated list of free public APIs — searchable, community-maintained, with a free JSON API.

API Documentation Browser

D2 is a modern diagram scripting language that turns text to diagrams.

Collection of handy online tools for developers, with great UX.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

VitePress is an open-source static site generator, powered by Vue and Vite, for building fast documentation sites from Markdown.

Storybook is an open-source CLI-driven UI development tool for building, documenting, and testing frontend components in isolation across React, Vue, Angular, and more.

Material for MkDocs is an open-source theme and framework for MkDocs that turns Markdown files into a searchable, responsive static documentation site.

MkDocs is an open-source CLI static site generator that builds project documentation sites from Markdown files configured with a single YAML file.