Open source. Open possibilities.

tldr-pages is a community-maintained collection of simplified, practical help pages and cheatsheets for thousands of command-line tools, offering an approachable alternative to traditional man pages.

Docmost is an open-source collaborative wiki and documentation platform designed as an alternative to Confluence and Notion.

A documentation framework built on MkDocs: write in Markdown and produce a searchable, customizable static site in minutes, with responsive layouts, 60+ languages and MIT licensing.

Mimik is a browser extension that automatically captures browser workflows and converts them into polished, step-by-step guides with annotated screenshots.

Docker Compose stack deploying XWiki behind Traefik with automatic Let's Encrypt TLS, PostgreSQL 15, scheduled database and wiki-data backups with restore scripts, digest-pinned images, container hardening and CI deployment verification.

Docusaurus is an easy-to-maintain static site generator for open source documentation websites, with docs, blog, i18n, and customization features.

A curated, opinionated collection of full-stack learning resources for software engineers, covering must-read books and articles, engineering principles, and dozens of topics from algorithms and API design to security, SRE, and career growth.

AI Engineering is an open-source e-book providing a systematic guide to building production-grade AI systems, from LLM fundamentals to advanced agent architectures. Maintained by the community and Hermes Agent, it features daily updates, traceable sources, and advanced search capabilities.

Zeal is an offline documentation browser that keeps API references from many libraries searchable on your own machine without an internet connection. It is inspired by Dash and reads the same docset format.

cheat.sh 是一个统一的社区驱动速查表服务，可通过 curl、浏览器或编辑器插件查询 56 种编程语言、多种数据库及 1000 多个 UNIX/Linux 命令的速查表，支持命令行客户端 cht.sh、标签补全和隐身模式。

Provides an MCP server that fetches and analyzes Kotlin/Java library sources from Maven/Gradle, exposing API signatures, KDoc, source code, dependencies, and version listings via a set of tools for AI assistants and IDEs.

AppFlowy is an open‑source, AI‑enhanced workspace that serves as a Notion alternative. It offers cross‑platform native apps (desktop, iOS, Android), self‑hosting, and full data control, built with Flutter and Rust.

BookStack is a self-hosted, opinionated documentation platform for storing and organising information, offering a simple out-of-the-box experience with optional advanced features.

MkDocs is a fast, simple static site generator for project documentation: write pages in Markdown, configure the site with a single YAML file, and build static HTML that can be served anywhere.