Free and open source
Free
Gantt charts · Critical-path analysis · Resource planning and levelling · IFC 4.3 schedules · Desktop and browser use
Checked 22 Sep 2026
Plans and prices
Open Planner Studio pricing
Open Planner Studio
Free
Free and open source under LGPL-3.0 · no subscription · no per-seat licence fees
Checked 29 Sep 2026