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GanttProject vs TeamGantt: catalog facts
GanttProject	TeamGantt
Free Free to use with no subscription; an optional cloud service is also available.	Paid Paid plans with a 14-day free trial; a free Gantt chart generator is also offered.
Windows, macOS, Linux	Web
Runs offline with data stored locally Opens Microsoft Project MPX, MPP and XML files	Drag-and-drop Gantt scheduling with dependencies Tasks, files and discussion kept with the schedule
Lacks some high-end enterprise features of Microsoft Project Exports to Microsoft Project only in XML/MSPDI format	Paid after the trial Focused on timelines rather than general task management
Downloadable app	Hosted service
Open source	Closed source
License not stated	License not stated
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.