DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
WackoWiki - WackoWiki is a light and easy to install multilingual Wiki-engine.
Scriby - AI-Powered Meeting Note Platform
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Pepperminty Wiki - An entire wiki in a single PHP file. Intended for small - medium sized wikis.
TiddlyWiki - a non-linear personal web notebook