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Mercurygram vs Forkgram: catalog facts
Mercurygram	Forkgram
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the GPL-3.0.
Linux, Android	Windows, macOS, Linux
Based on the official Telegram Desktop code Privacy-focused changes on top of upstream	Tracks upstream Telegram Desktop releases closely Builds for Windows, macOS and Linux including arm64
Still relies on Telegram's servers and account system Small project compared with the official client	Unofficial client not endorsed by Telegram macOS builds do not auto-update
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
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 1, 2026

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