DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.
WiseTime - Web-based automatic time tracking software
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
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.