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