GoodDay - Good Day - Inspiring work management
TeamClerk - Team Clerk is project and task management software that automatically keeps your team organized and monitors progress of all of your projects and tasks. Let us organize what you do,so you can focus on why you do it.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
VisionProject - Web based software for project management, issue tracking, collaboration, team calendar, kanban...
jtrac - JTrac is an open source and highly customizable issue-tracking web-application written in Java.
Trac - Trac is a project management and bug/issue tracking system. Provides an interface to Subversion and an integrated wiki.