WiseTime - Web-based automatic time tracking software
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
TimeSite Pro - TimeSite Pro is a fully configurable, cloud-based time tracking, expense & invoicing solution.
TiddlyWiki - a non-linear personal web notebook
OutlookTime - OutlookTime is a time tracking system that turns Outlook into a timesheet system.
Confluence - Confluence is content collaboration software that changes how modern teams work