Threema is described as 'New mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages' and is a very popular instant messenger in the security & privacy category. There are more than 100 alternatives to Threema for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Threema alternative is Signal, which is both free and Open Source. Other great apps like Threema are Telegram, Element, Tox and SimpleX Chat.
all-in-one Communication and Collaboration Platform. The NYNJA platform combines the benefits of instant chat, video conferencing, screen sharing, file sharing, asset management collaboration, and much more, in one fast, easy and reliable platform.
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.
Anonymous and fully encrypted peer-to-peer instant messenger for Android using onion routing (via Tor)!
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.
The one and only secure messaging app Protect your privacy!
SECURE MULTIMEDIA MESSAGING
Team chat platform with AI coworker in every channel, supporting commands, code generation, and direct in-chat results. Offers familiar channels, threads, DMs, web-based access, automation, real-time collaboration, secure workflows, and reduced tool switching.
NeoChat is a client for Matrix, the decentralized communication protocol for instant messaging. It is a fork of Spectral, using KDE frameworks, most notably Kirigami, KConfig and KI18n.
WireMin is a decentralized network built by the people, for the people, and of the people. Enjoy full privacy and security with end-to-end encryption on a network without central servers. Your data stays under your control—free from censorship, surveillance, and exploitation.
Confide lets you take your messages off the record:
Graph Messenger is an UNOFFICIAL messaging app that uses Telegram's API and add new features like real multi account system, download manager and time line.
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