Released as open-source software by Netscape Communications in 1998, it has been adopted by a variety of organizations for use as a bug tracking system for both free and open-source software and proprietary projects and products. Bugzilla is used, among others, by the Mozilla Foundation, WebKit, Linux kernel, FreeBSD,GNOME, KDE, Apache, Red Hat, Eclipse and LibreOffice.It is also self-hosting. Features:

• Optimized database structure for increased performance and scalability
• Excellent security to protect confidentiality
• Advanced query tool that can remember your searches
• Integrated email capabilities
• Editable user profiles and comprehensive email preferences
• Comprehensive permissions system
• Proven under fire as Mozilla's bug tracking system

Benefits:

• Improve communication
• Increase product quality
• Improve customer satisfaction
• Ensure accountability
• Increase productivity
• Bugzilla can adapt to multiple situations