Ozibug is a platform-independent, web-based bug tracking system which can be installed and run straight out of the box on any Java servlet capable platform.

It delivers quality with key features such as audit trails
file attachments
multiple module support
email notifications
custom reports and RSS feeds
system statistics
xml data storage

For those who require more flexibility, it also offers fine grained access control
customizable appearance, email notifications and reference data
full internationalization
optional database storage