MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
LogikCull - Logikcull is a discovery automation platform that helps expedite and lower the cost of litigations & investigations.
TiddlyWiki - a non-linear personal web notebook
Nextpoint - Nextpoint offers solutions for eDiscovery, evidence exchange, deposition and transcript management.
Confluence - Confluence is content collaboration software that changes how modern teams work
Knovos Discovery - A Holistic eDiscovery Solution