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.- Freemium • Proprietary
- Group Chat App
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- iPad
- Apple Watch
Signal
Do you think this is a good alternative?YesNo- Free • Open Source
- Encrypted Chat App
- Instant Messenger
- Group Chat App
202 alternatives to Signal- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
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 Features
Signal vs Viber opinions
Open source, meaning audit is possible, verifiably secure end-to-end encryption, multiplatform.
5Element
Do you think this is a good alternative?YesNo- Freemium • Open Source
- Group Chat App
- Instant Messenger
- Encrypted Chat App
266 alternatives to Element- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Matrix.org
- Cloudron
- F-Droid
- FLATHUB
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.
Element Features
Tox
Do you think this is a good alternative?YesNo- Free • Open Source
- Encrypted Chat App
- Instant Messenger
- Group Chat App
181 alternatives to Tox- Mac
- Windows
- Linux
- Android
- Android Tablet
- BSD
- F-Droid
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 Features
Tox vs Viber opinions
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..
0Wire
Do you think this is a good alternative?YesNo- Free Personal • Open Source
- Group Chat App
- Video Calling App
- Instant Messenger
257 alternatives to Wire- 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.
Wire Features
Wire vs Viber opinions
Mattermost
Do you think this is a good alternative?YesNo- Freemium • Open Source
- Group Chat App
- Team Collaboration Tool
115 alternatives to Mattermost- 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.
Mattermost Features
Zulip
Do you think this is a good alternative?YesNo- Free Personal • Open Source
- Group Chat App
- Instant Messenger
- Encrypted Chat App
221 alternatives to Zulip- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Self-Hosted
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
Zulip Features
Conversations
Do you think this is a good alternative?YesNo- Free • Open Source
- Instant Messenger
- Group Chat App
- Encrypted Chat App
142 alternatives to Conversations- Android
- Android Tablet
- F-Droid
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 Features
Conversations vs Viber opinions
Has End-to-End encryption by default. Is decentral/federated so not to block or shutdown.
0Nextcloud Talk
Do you think this is a good alternative?YesNo- Free Personal • Open Source
- Group Chat App
- Video Calling App
- Instant Messenger
87 alternatives to Nextcloud Talk- 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.
Nextcloud Talk Features
Briefing
Do you think this is a good alternative?YesNo- Free • Open Source
- Video Calling App
- Web Conferencing Tool
158 alternatives to Briefing- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
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...
Briefing Features
Telegram X
Do you think this is a good alternative?YesNo- Free • Open Source
- Encrypted Chat App
204 alternatives to Telegram X- Android
- Android Tablet
- Telegram
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
Telegram X Features