DokuWiki
MediaWiki
TiddlyWiki
XWiki
Confluence
BookStack
Nuclino
Wiki.js
kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
DokuWiki
kdiff3DokuWiki is recommended for individuals or organizations looking for a simple, no-database wiki system. It is especially suitable for small teams, educational projects, personal knowledge management, and internal company documentation that prioritizes ease of use and low maintenance.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Beyond Compare - Beyond Compare allows you to compare files and folders.
TiddlyWiki - a non-linear personal web notebook
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
XWiki - A powerful Open Source collaborative platform enhancing collaboration and communication.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.