Zapzap

github.com/rafatosta/zapzap Linux Apps Open-source projectOpen source

ZapZap provides an unofficial desktop client for WhatsApp Web, built with PyQt6 and QtWebEngine.

github.com/rafatosta/zapzap
Zapzap homepage screenshot

About Zapzap

ZapZap is an unofficial desktop client for WhatsApp Web. It is built with Python, PyQt6 and QtWebEngine and wraps https://web.whatsapp.com/ in a standalone desktop application. It is free and open source under the GNU General Public License v3.0 or later.

The application adds desktop-level features to WhatsApp Web, including support for multiple account profiles with separate web sessions, system tray integration, desktop notifications, theme handling, and optional custom CSS and JavaScript. Packages are listed for Linux (Flatpak, AppImage, DEB, Snap and Fedora COPR) and Windows (EXE for x86_64 and ARM64), with a Python package for developers.

Key features

  • Wraps 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
Best for: Linux users, and Windows users, who want WhatsApp Web in a standalone desktop window and need to run more than one account.
Good for
  • Open source under GPL-3.0 or later, with the license text in the repository
  • Supports multiple account profiles with isolated web sessions
  • Offers several Linux package formats, including Flatpak, AppImage, DEB, Snap and COPR
Watch out for
  • Unofficial client, not made or endorsed by WhatsApp
  • Builds are listed only for Linux and Windows
  • The project is maintained in the author's spare time, according to the source

Zapzap at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Linux, Windows
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Zapzap FAQ

Which platforms and installation methods are listed?
Linux packages are listed as Flatpak (recommended), AppImage (x86_64, aarch64), DEB, Snap and Fedora COPR. Windows has an EXE for x86_64 and ARM64. A Python wheel is available through pip install zapzap.
Under what license is ZapZap released?
ZapZap is licensed under the GNU General Public License v3.0 or later. The full license text is in the LICENSE file of the repository.
Is ZapZap affiliated with WhatsApp?
No. The project describes itself as an unofficial WhatsApp Web desktop client.
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