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Commet vs Nheko: catalog facts
Commet	Nheko
Free Free, funded by donations, with source code on GitHub.	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, Linux, Android, Web	Windows, macOS, Linux
Several Matrix accounts logged in at the same time Voice channels and one-to-one calls	Supports encrypted conversations and platform-dependent calling features.
No macOS or iOS app listed Needs a Matrix account	The project says its encryption implementation has not been audited.
Downloadable app, Web application	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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