When comparing FogBugz vs Trac, the Slant community recommends FogBugz for most people. In the question“What are the best bug/issue tracking tools for small development teams?” FogBugz is ranked 8th while Trac is ranked 11th. The most important reason people chose FogBugz is:
EBS produces ship date probability distributions, see [here](http://help.fogcreek.com/7676/evidence-based-scheduling-ebs).
Ranked in these QuestionsQuestion Ranking
Pro Evidence-Based Scheduling
EBS produces ship date probability distributions, see here.
Pro Backed by big company
The same company behind Stack Overflow and Trello.
Pro Intuitive UI
The UI is very well thought through. All the right stuff is in the right places.
Pro Open source
Written in Python.
Pro GIT and SVN support
Pro Database support
Supports PostgreSQL, MySQL and SQLite.
Pro Bitnami installer
Bitnami installer available.
Con Cannot be used without an account
You cannot show someone a ticket that does not have an account.
Python can be slow sometimes.