Open Source Rakuten Viber AlternativesTop Instant Messengers & Video Calling Apps like Rakuten Viber

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

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Alternatives list

  1. Signal icon

    Signal

     1384 likes

    An open-source messaging app emphasizing privacy with encrypted communication. Share texts, calls, photos, and videos without ads or trackers, available across major platforms. Developed by Signal Technology Foundation and praised globally for security measures.

    221 Signal alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Snapcraft
    • Flathub
    • Ubuntu
    • Debian
    Signal screenshot 1
     
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    Signal vs Rakuten Viber Comments
    Guest
    Positive
    5

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

    Review by a new / low-activity user.
    Guest
    Negative
    0

    Signal has no IP telephony ability

    Review by a new / low-activity user.
    • Signal is Free and Open SourceRakuten Viber is Freemium and Proprietary
    • Signal is Security-focused and LightweightRakuten Viber is not according to our users
  2. Element icon

    Element

     796 likes

    Provides secure collaboration with end-to-end encryption, supporting chat, voice, and video calls. Available on all major platforms, it enables digital sovereignty with a decentralized design and interoperability through bridges to systems like Slack and Teams. Includes enterprise-grade SaaS.

    314 Element alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Matrix.org
    • Flathub
    • F-Droid
    • Cloudron
    • Snapcraft
    Video calls for desktop and mobile
     
  4. Tox icon

    Tox

     563 likes

    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.

    216 Tox alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • BSD
    • F-Droid
    The Universal Tox Client. A Tox client that runs on Android, iOS, Windows, Mac OSX, Linux, FreeBSD & the web. Written in JS using React & React Native / electron.
     
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    1
    Tox vs Rakuten Viber Comments
    Guest
    Positive
    0

    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..

    Review by a new / low-activity user.
    • Tox is Free and Open SourceRakuten Viber is Freemium and Proprietary
    • Tox is Security-focused and LightweightRakuten Viber is not according to our users
  5. Wire icon

    Wire

     321 likes

    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.

    288 Wire alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Software as a Service (SaaS)
    • Flathub
    • Snapcraft
    Wire screenshot 1
     
  6. Zulip icon

    Zulip

     268 likes

    Threaded group conversations combine live and asynchronous messaging, separating topics for organized collaboration, supporting open-source, cloud, and self-hosted deployments, secure communication with encryption, and multi-platform access for diverse teams.

    230 Zulip alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • Self-Hosted
    • F-Droid
    Zulip screenshot 1
     
  9. Conversations icon

    Conversations

     103 likes

    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].

    160 Conversations alternatives

    Cost / License

    Application types

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    Conversations screenshot 1
     
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    1
    Conversations vs Rakuten Viber Comments
    Guest
    Positive
    0

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

    Review by a new / low-activity user.
    • Conversations is Free and Open SourceRakuten Viber is Freemium and Proprietary
    • Conversations is LightweightRakuten Viber is not according to our users
  11. Nextcloud Talk icon

    Nextcloud Talk

     33 likes

    Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • iPad
    • Self-Hosted
    • Nextcloud
    • F-Droid
    • Flatpak
    • Chocolatey
    • Windows
    • Mac
    • Linux
    • Homebrew
    Nextcloud Talk screenshot 1
     
  12. Briefing icon

    Briefing

     29 likes

    The preservation of privacy is the main driver for this project. Secure technologies, such as WebRTC, are used to establish a direct connection between the participants. The website that provides the web application and mediates the communication stores as little data as...

    163 Briefing alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Self-Hosted
    • npm
    Briefing screenshot 1
     
  13. Snikket icon

    Snikket

     10 likes

    Snikket is an ambitious project to build a new kind of XMPP-based messaging platform.

    Cost / License

    Application types

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • F-Droid
    • Docker
    Snikket screenshot 1
     
12 of 40 Rakuten Viber alternatives