Rakuten Viber is not available for BSD but there are a few alternatives with similar functionality. The best BSD alternative is Tox, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Rakuten Viber and three of them are available for BSD so hopefully you can find a suitable replacement. Other interesting BSD alternatives to Rakuten Viber are Zulip and 0xchat.
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.
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.
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
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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..