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materialgram vs 64Gram: catalog facts
materialgram	64Gram
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 with an OpenSSL exception.
Linux	Windows
Material Design restyle of Telegram Desktop Built on the official Telegram Desktop codebase	Follows recent Telegram Desktop versions Adds enhancements not in the official client
Unofficial client maintained by an individual Requires a Telegram account	Unofficial client not endorsed by Telegram Release notes are often minimal
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-with-openssl-exception
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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