The pioneer of the digital Kanban board. While its simplicity and 'Power-Ups' made it famous, its free-tier limitations (like the 10-board limit) and lack of built-in Gantt or reporting views have led power users to more robust all-in-one platforms.

The pioneer of minimalist project management. The late 2025 'v4' update features an enhanced 'Mission Control' dashboard, 'The Lineup' for project timelines, and Hill Charts for visual progress tracking. It uniquely combines message boards, to-dos, group chat (Campfire), and document storage in one interface. While it is the most user-friendly tool for non-technical clients, its refusal to add Gantt charts or complex sub-task dependencies makes it restrictive for technical power users.