Open Source Viber Alternatives
The best open source alternative to Viber is Signal, which is both free and Open Source. 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 (Free Personal, Open Source), Tox (Free, Open Source), Wire (Free Personal, Open Source) and Mattermost (Freemium, Open Source).
- 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. View 180 alternatives to Signal
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Ubuntu Touch
Signal vs Viber
Open source, meaning audit is possible, verifiably secure end-to-end encryption, multiplatform. - 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. View 243 alternatives to Element
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Cloudron
- Send messages, files, create groups and make Tox to Tox audio and video calls. Securely. View 175 alternatives to Tox
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Android Tablet
- BSD
Tox vs 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.. - Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure... View 255 alternatives to Wire
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Software as a Service (SaaS)
- Mattermost is an open source, self-hosted Slack alternative. View 122 alternatives to Mattermost
- Freemium • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- JavaScript
- Go (Programming Language)
- Cloudron
- Zulip is a group chat app in which messages are threaded by topic, helping you have long-running, organized conversations. View 230 alternatives to Zulip
- Free Personal • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
- 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]. View 146 alternatives to Conversations
- Free • Open Source
- Android
- Android Tablet
Conversations vs Viber
Has End-to-End encryption by default. Is decentral/federated so not to block or shutdown. - Screensharing, online meetings & web conferencing without data leaks. Running over your own Nextcloud server. View 77 alternatives to Nextcloud Talk
- Free Personal • Open Source
- Online
- Android
- iPhone
- iPad
- Self-Hosted
- Open source Jabber (XMPP) client with multi-account support, clean and simple interface. Being both free (as in freedom! View 139 alternatives to Xabber
- 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. View 143 alternatives to Briefing
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted