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 comprehensive project management solution with integrated time tracking and robust reporting features, making it suitable for larger teams. In contrast, Pivotal Tracker excels in real-time collaboration and agile project management, ideal for development teams focused on iterative delivery.