Jira is a proprietary issue tracking product, developed by Atlassian. It provides bug tracking, issue tracking, and project management functions.

Jira SoftwareAtlassian
Where Do We Put The UX Tasks?John CutlerJune 29th, 2016
Integrating design with Dual-track Scrum and JIRADevbridge GroupFebruary 15th, 2016
Manage scope with the new release burndown chartAtlassianMay 27th, 2015
JIRA: not just for developersGlinTechMay 8th, 2013
Designing for user experience (UX) with Atlassian Tools - Atlassian Summit 2011YouTubeJuly 15th, 2011