Antox is described as 'Android client for Tox. It aims to bring the full multimedia support Tox offers to your device, although it's still currently in heavy development' and is a instant messenger in the social & communications category. There are more than 25 alternatives to Antox for a variety of platforms, including Android, Linux, Windows, Mac and iPhone apps. The best Antox alternative is Signal, which is both free and Open Source. Other great apps like Antox are Tox, SimpleX Chat, Molly and FluffyChat.
µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs fast! µTox is available for Windows, OS X, and Linux (Android support is experimental), with full support for chat, file transfers, audio/video calling, and desktop sharing...
signal-cli is a commandline interface for the Signal messenger. It supports registering, verifying, sending and receiving messages. signal-cli uses a patched libsignal-service-java, extracted from the Signal-Android source code.
A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.
Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.
It uses the Tox protocol which is Peer to Peer, it will have a higher battery usage than other Messenger apps.
KeeperChat - The leading secure messaging app.
• Private vault for messages, photos and videos • Private, encrypted media gallery (nothing is saved on device’s camera roll) • Biometric login and self-destruct protection for vault • Message retraction and self-destruct timer • Tw.
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