What are some alternatives?
When comparing BUGtrack and Pivotal Tracker, you can also consider the following products
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Zoho BugTracker - Zoho Bug Tracker is an online web based bug tracking / issue management software tool
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
ReQtest - ReQtest is an end to end solution for test management, bug tracking, requirement management and agile project management.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.