Defect Management Tool: Jira

1. Bugzilla

2. Jira

3. QC

Jira: Jira is a bug tracking tool this is also use for requirement management.

Release Versions: 

JIRA 1:released in 2002[1]

JIRA 2:released in 2003[9]

JIRA 3:3.0, released 12 October 2004[10]

3.13, released 9 September 2008[11]

JIRA 4:4.0, released 6 October 2009[12]

4.1, released 7 April 2010

4.2, released 21 October 2010[13]

4.3, released 16 March 2011[14]

4.4, released 2 August 2011[15]

JIRA 5:5.0, released 22 February 2012[17]

5.1, released 9 July 2012[18]

5.2, release 11 November 2012[19]

JIRA 6:6.0, released 21 May 2013[20]

Developer(s): Atlassian, Inc.

Language: This is Written in Java

Operating system:  Platform-independent

Type: This is Bug tracking system, project management software

This is  License tool, free for use by official non-profit organizations, charities, and open-source projects, but not religious organizations

Website atlassian.com/software/jira