JIRA is a J2EE-based, issue tracking and project management application developed to make this process easier for your team. JIRA has been designed with a focus on task achievement, is instantly usable and is flexible to work with.

Features:
Manage bugs, features, tasks and improvements
A clean and powerful user interface that is easy to understand for both business and technical users
Track components and versions
Automatically generated project roadmaps
User/group permissioning and security
Easily extended to and integrated with other systems (including email, Excel, XML and CVS)
Attach files to issues
Full text searching and powerful filtering (customisable, saveable, shareable and subscribeable!)
Highly configurable email notification schemes
Runs on your existing hardware and software platform
Compatible with almost any database
'Print page' option on every screen
Easy to extend and integrate with other systems