Ace Issue Tracker is Issue Tracking, Bug Tracking, Defect Tracking Tool. It can also be used as change request management tool, database change request or release management tool. Ace Issue Tracker offers following benefits: Very light weight. Extremely low heap requirement. Can be used with java 1. 4 onwards. Highly customizable. Permits work flow. Role based view of issues. Extremely flexible reporting module. Can be used with MySQL or Oracle Database.