JIRA, OpenProject, YouTrack, Mantis Bug Tracker, ActiveCollab, A1 Project Manager, Bugzilla, not8, Agilefant, Kendis.io, Jira Clone, VersionOne, MantisHub, Tixit, Lean-to, Pivotal Tracker, Lean Testing, 16bugs, CA Agile Central, Bugify are some alternatives to FogBugz.