FogBugz is an integrated web-based project management system featuring bug/issue tracking, discussion forums, wikis, customer relationship management, and evidence based scheduling. Developed by Fogcreek
License: Commercial
FogBugz offers a more straightforward case management system with strong reporting tools, making it ideal for teams focused on customer support. YouTrack, on the other hand, excels in agile project management and issue tracking, appealing to software development teams looking for extensive customization and integration options.