Mantis Bug Tracker is a free and open source, web-based bug tracking system. The most common use of MantisBT is to track software defects.
License: Open Source
Mantis Bug Tracker is primarily focused on bug tracking with a simple interface and customizability, making it ideal for teams looking for straightforward issue tracking. In contrast, Phabricator offers a more comprehensive suite of development tools, including code review and task management, which makes it suitable for teams needing integrated development workflows.