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 a powerful open-source tool primarily focused on issue tracking with robust customization options, making it suitable for teams looking for flexibility. VisionProject, on the other hand, offers a more comprehensive project management suite with additional collaborative features, making it ideal for agile teams needing extensive project oversight.