Open Source Documentation Software

Appflowy

Apache OpenOffice

A platform to create documentation/wiki content built with PHP & Laravel

Easy to maintain open source documentation websites.

The DokuWiki Open Source Wiki Engine

Etherpad: A modern really-real-time collaborative document editor.

Encrypted, secure, user-owned productivity suite

HedgeDoc - The best platform to write and share markdown.

Read-only LibreOffice core repo - no pull request (use gerrit instead https://gerrit.libreoffice.org/) - don't download zip, use https://dev-www.libreoffice.org/bundles/ instead

Open Source Document Management System for Digital Archives (Scanned Documents)

📝 Online editor providing collaborative editing in really real-time using CRDTs and IPFS.

SumatraPDF reader

Wiki.js | A modern and powerful wiki app built on Node.js