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ZapZap vs Whatsie: catalog facts
ZapZap	Whatsie
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source under the MIT licence.
Linux	Linux
Multiple WhatsApp accounts in one app Native desktop notifications	Native notifications and tray unread badge Calls, screen sharing and a downloads manager
Unofficial client that depends on WhatsApp's web service Requires a WhatsApp account on a phone	Unofficial client built on WhatsApp Web Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
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

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