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 known for its user-friendly interface and customization options, making it ideal for teams needing quick setup and accessibility. In contrast, Trac offers comprehensive project management features, including integrated version control and a wiki, which suits more complex project needs.