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
Axosoft is a comprehensive project management tool with strong collaboration and reporting features, making it ideal for teams needing extensive workflow customization. In contrast, Mantis Bug Tracker is a lightweight, open-source solution that excels in bug tracking but may lack some advanced project management capabilities.