Browse free open source Wiki software and projects below. Use the toggles on the left to filter open source Wiki software by OS, license, language, programming language, and project status.
The Free / Libre / Open Source Web App with the most built-in features
Simple & Free Wiki Software
The open-source digital workplace for growing teams and enterprises.
Our support forum has moved: community.bluespice.com
PukiWiki is used by many users, a light and high functional Wiki clone
Open Source Enterprise Wiki and Web Application Platform
Fastest wiki and knowledge base for growing teams
Personal Wiki for Vim
WackoWiki is a light and easy to install multilingual Wiki-engine.
A free, open-source, offline Wikipedia application
Piggydb helps you have more fun with knowledge creation.
A Collection of Gedcom Files from Famous Family Trees
Open source platform to write and publish print and digital books
Wiki generator and Java Help System
Make robots for MediaWiki-powered sites!
The Halo extension extends MediaWiki and Semantic Mediawiki
Personnal or familly wiki with low ressource requirement.
A web forum written in PHP using a selectable SQL backend
Enterprise Class MediaWiki Distribution (VirtualBox OVA)