Free bugzero software for linux

Bugzero is a web-based bug tracking, defect tracking, issue tracking, and change management system used in a distributed team environment to track software bugs, hardware defects, test cases, or any other issues. Bugzero can also be used equally well as a helpdesk customer support, trouble ticketing, or email management system to collect and manage customer feedbacks, incidents, requests, and issues.
Bugzero provides a cost-effective enterprise-grade solution to increase team work efficiency. It is easy to use, but still flexible and adaptive, and can be configured to fit to your organizations unique business process and workflow. Bugzero empowers you and puts you in full control, and allows you to accomplish your tasks in the best way possible.
Main features:
- Open standards technology, web-based, lightweight, feature-rich, robust, fast, reliable, and a high level of usability
- No client software, no firewall issues, and accessible from anywhere on the internet through HTTP or SMTP
- Support both web interface and email interface (particularly for customer support), for internal and external users
- Single system with one code base, minimal system requirements and maintenance, easy install (server side only)
- Operating system independent, based on Java and J2EE, truely run anywhere and everywhere
- Cross database systems, based on standard SQL 92, fully open, scalable, and modular database schema
- More than just bug tracking, works equally well as a help desk customer support system
- Support custom fields of data types including datetime, number, URL, and link ID. Fields can be added or removed anytime.
- Configurable page layout, company logo, and look and feel
- Support multiple projects, configurable access control, and self registration
- Configurable advanced group and field level access control model (security)
- Completely configurable and customizable workflow (defect tracking lifecycle)
- Configurable automatic and manual bug-assignment
- File attachment (can attach multiple files and any kinds of files at once)
- Email notification and cc mail (per project, template based)
- Configurable email notification triggers or listeners (per project, per user)
- CVS and Perforce source version control integration through email
- Metrics reports, advanced search, and re-usable stored queries
- Comprehensive readable bug-audit trail (change history)
- Quick sorting and CSV file export supporting Asian languages in Unicode
- Public projects and self registration for open source projects
- Support internationalization with Unicode (UTF-8)
- Support LDAP/Active Directory user authentcation (available as add-on)
- Custom email reminder and escalation (available as add-on)
- Easy to use web-based system administration (no learning curve)
- Exceptional remote trouble shooting and debugging capabilities
Version restrictions:
- Hardware: PC, Mac, Sun, or IBM Servers, more
- OS: Windows, Unix, Linux, or Mac OS, more
- Server Database: Oracle, DB2, SQL Server, Sybase, MySQL, PosgreSQL, or Access, more
- Server Software: JDK1.3+ and a Java application server such as Tomcat, WebLogic, WebSphere, more
- Client Software: MSIE, Mozilla, FireFox, Opera, or Netscape, more
Enhancements:
- The two issues when upgrading using Sybase, an error in "DROP PRIMARY KEY", and the need to set "ddl in tran" to true for the tempdb have been fixed.
- A JSP compile error in help.jsp with IBM WAS was fixed.
- Email parsing for field name was improved. The users drop-down fields are now filtered if the login user is in a controlled user group, and only users in the same group are listed.