JTrac
JTrac is an open source and highly customizable issue-tracking web-application written in Java.
Features
- Extremely easy to install
 
- Unlimited project spaces per installation
 
- Custom fields and drop-downs for each project
 
- Customizable workflow per project
 
- Field-level permissions
 
- Detailed history view
 
- E-mail notifications
 
- File attachments
 
- Full text search
 
- Filter searches even by custom fields 
 
- Detailed dashboard view of statistics
 
- Export data and search results to Excel
 
- Support for anonymous browsing of projects 
 
- Cross-reference items to each other, e.g. 'duplicate of', 'depends on' etc. 
 
- Translated into 19 languages (Spanish, French, German, Russian, Japanese, Chinese and more)
 
- Platform independent and various databases supported
 
- Support for LDAP, Active Directory or CAS based authentication 
 
- Embedded database and web-app server - download and start using right away!
 
Please see the feature documentation for more.