ZapZap – WhatsApp Web Desktop Client

ZapZap is an unofficial WhatsApp Web desktop client built with Python, PyQt6 and QtWebEngine. It wraps https://web.whatsapp.com/ in a desktop application and adds native integration for accounts, notifications, tray behavior, theming and packaging.

Why ZapZap?

Feature	WhatsApp Web	ZapZap
Runs in your default browser	✅	❌
Standalone desktop application	❌	✅
Multiple accounts	❌	✅
Native system tray integration	❌	✅
Native desktop notifications	Limited	✅
Linux package manager support	❌	✅
Flatpak package	❌	✅
AppImage package	❌	✅
Snap package	❌	✅
Native DEB package	❌	✅
Fedora COPR repository	❌	✅
Automatic AppImage updates (.zsync)	❌	✅
Spell checking	Browser dependent	✅
Custom CSS & JavaScript	❌	✅
Open source (GPL-3.0)	❌	✅
Privacy	Browser session	Dedicated desktop application

Key features

• WhatsApp Web in a native PyQt6 desktop window.
• Multiple account profiles with isolated web sessions.
• System tray integration and desktop notifications.
• Light, dark and system theme handling.
• Custom CSS and JavaScript injection, globally or per account.
• Spell checking through QtWebEngine dictionaries.
• Download handling with configurable download behavior.
• Linux packages and native Windows x86_64 and ARM64 executable builds.

Supported platforms

Platform	Package
Linux	Flatpak (recommended)
Linux	AppImage (x86_64, aarch64)
Debian / Ubuntu	DEB
Linux	Snap
Fedora	COPR
Windows	EXE (x86_64, ARM64)
Developers	Python Wheel (.whl)

Installation

Platform	Installation
Flatpak	https://flathub.org/apps/com.rtosta.zapzap
AppImage, DEB, Windows	https://github.com/rafatosta/zapzap/releases
Snap	https://snapcraft.io/zapzap
Fedora (COPR)	https://copr.fedorainfracloud.org/coprs/rafatosta/zapzap
Python	pip install zapzap

Donations

ZapZap is a free and open-source project maintained in my spare time. If you find it useful, consider supporting its continued development through one of the following methods:

Method	Details
GitHub Sponsors	https://github.com/sponsors/rafatosta
Ko-fi	https://ko-fi.com/rafaeltosta
PayPal	https://www.paypal.com/donate/?business=E7R4BVR45GRC2
Wise	https://wise.com/pay/me/rafaelt2487
Pix (Brazil)	Pix Key: c86378c4-c34a-4951-bad0-42d5c1774f79

Every contribution helps keep ZapZap free, maintained, and continuously improving. ❤️

Development and maintenance

Architecture, maintenance procedures and automated-test instructions are available in the technical documentation. All project changes and additions are recorded in the changelog.

License

ZapZap is licensed under the GNU General Public License v3.0 or later. See LICENSE for the full license text.