We use Mantis for bug tracking. We’ve used it for years in a variety of capacities and we’re fairly regularly evaluating other tracking tools, but it’s really simple and we always come back to it because it does one thing and does it well.
Co-founder & VP Operations - Woot Math
1%Stacklist Startups Are Using Mantis Bug Tracker
MantisBT is an open source issue tracker that provides a delicate balance between simplicity and power.
Visit the website: https://www.mantisbt.org/