MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.

Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.

SlimWiki - Beautiful Wikis for Teams. Get started today, free forever!

OneBar - AI-powered Q&A knowledge base for Slack teams

DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.

Ginger - Powerful and effortless desktop & mobile solutions for improving your writing and productivity. Ginger Software is your personalized editor - everywhere you go.