JIRA is a software based on Java EE problem/defect tracking and http://www.aliyun.com/zixun/aggregation/12383.html "> Project management application." It can track and manage various types of problems, including defects, tasks, requirements, improvements, and so on. Jira can be deployed across platforms and is being used by a wide range of open source software organizations and globally renowned companies.
Atlassian JIRA 5.0 This version supports users to share their problems with search results. Remote problem contact object and other Web application page Connection Jira issue. Add a new API for developing Jira to connect to other applications, new rest APIs to manage every aspect of the problem, remote problem links and new APIs for active flow, and a stable Java API for Jira design.
Software Information: Http://www.atlassian.com/software/jira/overview
Download Address: Http://www.atlassian.com/software/jira/download