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Software · Internet & communication

Viber

Viber is a messaging program, available on Windows and Linux: end-to-end encryption, group chats and calls, screen sharing.

  • Limited free plan
  • Windows and Linux

Overview

Viber is a messaging program, available on Windows and Linux.

Features described in its Flathub listing, on its official website and in its Winget manifest: end-to-end encryption, group chats and calls, screen sharing.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “All one-on-one Viber calls and personal chats, and all group chats are protected by built-in end-to-end encryption, so you can be sure that your conversations are always secure.” — official page, 10 November 2026
  • “All one-on-one Viber calls and personal chats, and all group chats are protected by built-in end-to-end encryption, so you can be sure that your conversations are always secure.” — official page, 10 November 2026
  • “HD audio and video calls, group calls and screen sharing” — Flathub, 10 November 2026
  • “Viber is a calling and messaging app that connects people–no matter who they are, or where they’re from.” — official page, 10 November 2026

At a glance

Viber offers a limited free plan; advanced features or heavier use are paid.

It is distributed under a proprietary licence: free to use under its terms, which may change; that licence is not an open source licence.

Plans and conditions

  • Premium content: part of the content is reserved for subscribers.
  • Paid subscriptions offered by the publisher.

Strengths

  • No credit card asked

Weaknesses

  • Contains advertising
  • Account required
  • Limited free plan
  • Closed source

About

Viber for Desktop lets you send free messages and make free calls to other Viber users on any device and network, in any country. Your contacts, messages and call history are synced with your mobile device. • End-to-end encrypted chats and calls • HD audio and video calls, group calls and screen sharing • Groups, communities and channels • Stickers, GIFs, files and voice messages

Description from Flathub — AppStream (Flathub)

Sources and checks

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