- [HuBoard](https://github.com/huboard/huboard) `⚠` - Instant project management for your GitHub issues (Connects directly GitHub API). `MIT``Ruby`
- [MantisBT](https://www.mantisbt.org/) - Self hosted bug tracker, fits best for software development. ([Demo](https://www.mantisbt.org/bugs/my_view_page.php)), ([Source Code](https://github.com/mantisbt/mantisbt)) `GPL-2.0``PHP`
- [OpenSupports](https://www.opensupports.com/) - Multi language ticket system with FAQ, role management, metrics and canneed response features. ([Demo](https://www.opensupports.com/demo/), [Source Code](https://github.com/opensupports/opensupports)) `GPL-3.0``PHP`
- [OpenSupports](https://www.opensupports.com/) - Multi language ticket system with FAQ, role management, metrics and canned response features. ([Demo](https://www.opensupports.com/demo/), [Source Code](https://github.com/opensupports/opensupports)) `GPL-3.0``PHP`
- [osTicket](http://osticket.com/) - Manage, organize and archive all your support requests and responses in one place. ([Source Code](https://github.com/osTicket/osTicket)) `GPL-2.0``PHP`
- [OTRS](http://www.otrs.com/) - Trouble ticket system for assigning tickets to incoming queries and tracking further communications. ([Source Code](https://github.com/OTRS/otrs)) `AGPL-3.0``Perl`