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Open Source Viber Alternatives

The best open source alternative to Viber is Signal. If that doesn't suit you, our users have ranked more than 100 alternatives to Viber and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Viber are Element, Tox, Wire and Mattermost.

Viber alternatives are mainly Group Chat Apps but may also be Instant Messengers or Video Calling Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Viber.
This page was last updated Jun 9, 2022
Viber
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  • FreemiumProprietary
  • Mac
  • Windows
  • Linux
  • Android
  • iPhone
  • Windows S
  • Android Tablet
  • HUAWEI AppGallery
  • Windows Phone
  • iPad
  • Blackberry 10
  • Apple Watch

With Viber, everyone in the world can connect. Freely. More than 460 million Viber users text, make HD-quality phone and...

Learn more about Viber

  1. Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.

    Signal vs Viber opinions
    Almost everyone thinks Signal is a great alternative to Viber.

    Open source, meaning audit is possible, verifiably secure end-to-end encryption, multiplatform.

    Positive comment over 4 years ago
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  2. Element

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Cloudron

    Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default.



  3. With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.

    Tox vs Viber opinions
    Most users think Tox is a great alternative to Viber.

    Tox is free and far more secure than viber whats app skype zoom facebook messenger and a lot of the other liberty takers for a start... signal along with Tox is also a very good alternative..

    Positive comment over 1 year ago
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  4. Wire

    • Free PersonalOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)

    Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.

    Almost everyone thinks Wire is a great alternative to Viber.
  5. Mattermost

    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • JavaScript
    • Go (Programming Language)
    • Cloudron

    Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.



  6. Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations.

  7. Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

    Conversations vs Viber opinions
    pros, cons and recent comments

    Has End-to-End encryption by default. Is decentral/federated so not to block or shutdown.

    Positive comment about 4 years ago
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  8. Nextcloud Talk

    • Free PersonalOpen Source
    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Nextcloud

    Nextcloud Talk is a fully self-hosted audio/video and chat communication service. It features web and mobile apps and is designed to offer the highest degree of security while being easy to use.

  9. Telegram X

    • FreeOpen Source
    • Android
    • Android Tablet
    • Telegram

    An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.

  10. Xabber

    • FreeOpen Source
    • Online
    • Android
    • F-Droid

    Open source Jabber (XMPP) client with multi-account support, clean and simple interface. Being both free (as in freedom!) and ad-free, Xabber is designed to be the best Jabber client for Android .

    Discontinued

    The project seems no longer developed since 2019. Last version, 2.6.6, released in October 2019, can be still downloaded from F-Droid, it's no longer available on Google Play Store

Showing 10 of 28 alternatives