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Gliffy vs draw.io: catalog facts
Gliffy	draw.io
Paid Paid product; pricing is listed on the website.	Free Free and open source under Apache 2.0. The project states you can use it for any purpose…
Web	Windows, macOS, Linux
Tight integration with Confluence AI diagram generation in Confluence	Works entirely offline with files stored locally, so nothing is uploaded Large shape libraries including AWS, Azure, Cisco and Kubernetes icon sets
Most useful for teams already on Confluence No free plan mentioned	Electron, so it is heavy for a diagram editor No real-time collaboration in the desktop build
Hosted service	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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 21, 2026

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