Virtual Planner is a Web-based project management application which sits on top of multiple Trac projects, providing a unified view of them all. It allows for weekly assignment of work, estimated versus actual job times, a drag and drop Web-based UI, and direct linking to your Trac projects.
Knowledge Management Key (KMKey) is Web-based knowledge management software that joins three solutions on the same collaborative platform: KMKey Project: for planning, managing, and controlling your project portfolio; KMKey Quality to manage your Quality System; and KMKey HelpDesk: for your maintenance and support department. It's developed using Python and Zope, on top of the content management CPS.
ProjectForge is a Web-based solution for project management including time sheet booking, Gantt charts, financial administration and controlling, issue management, and managing work-break-down structures. First-party and third-party plugins are supported. Ready-to-run packages of the ProjectForge server are available for Windows, Mac OS X, and all Java6-capable platforms (database and Web server are included). ProjectForge is also available as a web-archive file (war) for usage within your own Web server and for your own database installation.