Jira is an issue tracking and project tracking tool for software development teams that we purchased from Atlassian. Our Jira installation also uses GreenHopper, an add-on from Atlassian that is generally used for agile project management, but offers benefits even to projects not using the agile methodology.
Getting Started - how to access Jira, create a project in Jira, and access Atlassian's documentation.
Help for Jira Project Administrators
Jira Project Administrator Duties - What you will encounter as a project administrator