Pivotal Tracker works best when the team agrees to its way of managing work, which is both the appeal and the irritation. The backlog stays clean, priority is visible, and our product/dev conversations are less scattered than they were in general task tools. Adoption was not instant. People who want lots of custom fields or a softer marketing calendar view will complain, and I get why. It is opinionated, and the reporting only becomes useful when the team keeps estimates and story status current. For a demand team sitting near engineering, I like the discipline. It gives me enough signal to plan launches without chasing three people. I would not pick it for every department, but for agile product work it earns the four stars.