License: GPLv2Development language: RubyOfficial website:https://www.redmine.org/Redmine is an open source, web-based project management and defect tracking tool.It uses calendars and Gantt charts to assist in visualizing projects and progress, and it also supports multi project management.Redmine is a free and open source software solution that provides integrated project management functions, problem tracking, and support for multiple version control options.
License: GPL-3.0Development languages: C/C++, PHPOfficial website:https://webissues.mimec.org/WebIssues is an open source, multi platform system for problem tracking and team collaboration.It can be used to store, share, and track issues with various attributes, descriptions, comments, and file attachments.It is easy to install and use, but has many functions and is highly customizable.
License: GPL-3.0Development language: GoGit bug is a distributed bug tracker, which directly utilizes the characteristics of Git, and can directly and remotely push bug items to collaborate with others, just like the usual operations of Git commit and branch.Developers do not need to rely on a Web server to handle project bugs. They can also view and modify bug reports offline.Git bug uses Git internal storage, so you don't need to add any files to the project.
License: BSDDevelopment language: PythonOfficial website:https://trac.edgewall.org/Trac is an enhanced wiki and issue tracking system for software development projects.Trac uses a simple method for web-based software project management.The mission is to help developers write excellent software without getting in the way.Trac should minimize the impact on the team's established development processes and strategies.It provides interfaces between Subversion and Git (or other version control systems), integrated wikis, and convenient reporting tools.
License: GPLDevelopment language: PHPOfficial website:https://mantisbt.org/MantisBT makes collaboration with team members and customers simple, fast and professional.MantisBT is an open source issue tracker that provides a delicate balance between simplicity and functionality.Users can start and manage their projects in a few minutes while working effectively with their teammates and customers.
License: MPL-2.0Development language: C/C++Official website:https://www.bugzilla.org/Bugzilla is a powerful and mature defect tracking system (or error tracking system).The defect tracking system allows the team of developers to effectively track unresolved defects, problems, issues, enhancements, and other change requests in the product.Simple defect tracking is usually built into Github or other integrated source code management environments based on network or local installation.
License: BSDDevelopment language: C/C++Official website:https://www.fossil-scm.org/Fossil is a simple, highly reliable, distributed software configuration management system.In addition to distributed version control functions such as Git and Mercurial, Fossil also supports error tracking, wikis, forums, email alerts, chat and technical notes.