Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.
16.8k stars620 forksMITlast commit Actively maintained
Browser-based Markdown editor with live preview, offline editing, synchronization with Google Drive/Dropbox/GitHub, and export/publishing options (HTML, PDF, Blogger, GitHub). For creating, editing, and managing Markdown documents.
Open-source collaborative documentation and wiki platform with real-time editing, offline sync, export features and flexible self-hosting options.
16.8k stars620 forksMITlast commit Actively maintained
Lightweight filesystem wiki engine using Git for history and Mycomarkup for content, suited for personal wikis, digital gardens and small teams.

379 stars27 forksAGPL-3.0last commit Slowing down
Web app and API server that publishes Markdown notes as websites and exposes REST APIs for programmatic access, with Obsidian-flavored Markdown and full-text search.
180 stars3 forksMITlast commit Likely dormant
Modern, lightweight static wiki and documentation site generator using Markdown and Next.js with TypeScript-configurable navigation and themes.

108 stars14 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 4 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Documentation Portals & Static Publishing.