MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Next Step for Trello - Check tasks directly from your Trello boards
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
Ollert - Learn what your Trello boards aren't telling you