Traq is a PHP powered project manager, capable of tracking issues for multiple projects and multiple milestones, there is also a project timeline which displays events about tickets milestones and more.
Multiple Projects : Manage multiple projects easily and effecively with Traq's multiple project features.
Milestones : Easily manage bugs and requests with project milestones.
Timeline : See what, and when, changes were made, tickets opened or closed with the project timeline.
Repository Browser : Browse your projects source repository with the built in repository browser.
Plugins : Extend with plugins, Traq has a powerful plugin system.
Filters : Filter tickets to find what you're looking for.
Notifications : Receive email notifications when tickets are created or updated.