The organization that brings you the Roundup Issue Tracker.

Roundup is a customizable tracker where you can program your workflow using Python. While Roundup comes with some default example trackers for IT (bug reporting, help desk...) it is designed to be customizable. This allows you to build a tracker that works the way you do. It can fulfill your needs. Some unusual uses for Roundup that others have implemented:

• logging QSO Amateur Radio contacts
• managing tasks/projects etc using the GTD (Getting Things Done) method
• conference paper submission and double-blind referee management
• issue management for IETF working groups
• sales lead tracking
• fleet management