Confluence
Confluence is a collaborative software platform developed by Atlassian. It has been described as a wiki but supports a variety of media types and formatting options. It is intended to take the place of the now retired TeraGrid Forum wiki.
Learn more about Atlassian Confluence.
JIRA
XSEDE's JIRA portal is a "project management" and "issue/bug tracking" software product developed by Atlassian. You would use JIRA if you are tracking the progress of a project and its milestones, or if you are resolving problems within a particular project.
Learn more about JIRA .
Both Confluence and JIRA are widely used within XSEDE.