Viber

From NixOS Wiki

Viber is an instant messaging and Voice over IP (VoIP) app.

Installation

Install the viber package.

Wayland

Missing window

The app may not launch properly on Wayland - the tray icon will appear though there will be no way to show the window. To fix this set the QT_QPA_PLATFORM environment variable to xcb.

Scaling

If you have a HiDPI screen, you may want to scale the app. You can do this by setting the QT_SCALE_FACTOR environment variable to an appropriate number (e.g. 1.75).