Compare software

Instagantt vs GanttProject: catalog facts
Instagantt	GanttProject
Freemium Free plan available, with paid plans for more features.	Free Free to use with no subscription; an optional cloud service is also available.
Web	Windows, macOS, Linux
Drag-and-drop Gantt scheduling with dependencies Baselines and milestones	Runs offline with data stored locally Opens Microsoft Project MPX, MPP and XML files
Focused on timelines rather than full work management Hosted only	Lacks some high-end enterprise features of Microsoft Project Exports to Microsoft Project only in XML/MSPDI format
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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