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Mercurygram vs AyuGram: catalog facts
Mercurygram	AyuGram
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source, forked from Telegram Desktop.
Linux, Android	Windows, Linux
Based on the official Telegram Desktop code Privacy-focused changes on top of upstream	Flexible ghost mode for read and online status Keeps message history and deleted messages
Still relies on Telegram's servers and account system Small project compared with the official client	Unofficial client that depends on Telegram's service and account Saving messages others deleted may conflict with their expectations
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
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.