- Bugzilla
- Open Source Bug Tracking System.Own description: "Home :: Bugzilla :: bugzilla.org"
- Trac - Open source enhanced wiki and issue tracking system by Edgewall Software.
Own description: "The Trac Project – Trac"
- Eventum - Open source bug tracking system developed by the MySQL Technical Support team.
Own description: "MySQL :: Eventum Issue / Bug Tracking System"
- GNATS - GNU defect tracking tool.
Own description: "GNATS - GNU Project - Free Software Foundation (FSF)"
- Scarab - Open source issue tracking tool.
Own description: "CollabNet, Facilitating Collaborative Software Development"
- Flyspray - Open source bug tracking tool.
Own description: "start - Flyspray - The Bug Killer!"
- JTrac - Open source issue-tracking application.
Own description: "JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include customizable workflow, field level permissions, e-mail integration, file attachments and a detailed history view."
- BugTracker.NET - Open source bug tracking tool based on ASP.NET, C#, and Microsoft SQL Server.
Own description: "BugTracker.NET Home - Free Bug Tracking"
- DITrack - Open source distributed issue tracking system based on Subversion.
Own description: "DITrack - Distributed Issue Tracker"
- Ditz - Open source distributed issue tracker designed to work with distributed version control systems written in Ruby.
Own description: "Ditz"
- Mantis - Open source bug tracking system.
Own description: "Mantis is a popular free web-based bug tracking system. It is written in the PHP scripting language and works with MySQL, MS SQL, and PostgreSQL databases and a webserver. Mantis has been installed on Windows, Linux, Mac OS, OS/2, and others. Almost an..."
- PhpBugTracker - Open source bug tracking tool.
Own description: "phpBugTracker - open source issue tracking software"
- Project Open - Open source project management and issue tracking tool.
Own description: "]project-open[ is an open-source based Project-ERP for medium and small project oriented companies."
- Bugs - The Bug Genie - Open source defect tracking tool based on PHP/MySQL.
Own description: "The world's largest development and download repository of Open Source code and applications"
- eTraxis - Open source bug tracking system written in PHP.
Own description: "eTraxis"
- MyTracker - Open source defect tracking and collaboration system.
Own description: "myTracker Home page"
