GNOME Planner is a cross-platform project management tool based on the Work breakdown structure (WBS). Developed by Richard Hult and Mikael Hallendal, Imendio
License: Open Source
5pm is a versatile project and time management tool ideal for teams focused on collaboration and time tracking, while GNOME Planner is more suited for detailed project management with strong Gantt chart capabilities and task dependencies. The choice between them depends on whether the emphasis is on collaboration or comprehensive project planning.