Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.
Platforms
- Mac
- Windows
- Linux
- Android
- Global




Apps similar to Zerion include Signal, which is free and open source. Other options are Telegram, Element, bitchat and SimpleX Chat. There's no shortage of Instant Messengers like Zerion, with more than 50 alternatives for Android, Linux, Mac, Windows and iPhone.
Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.




Sphinx.chat lets you use your lightning node to talk to anyone else who is running lightning and a sphinx compatible chat client.




The most secure and anonymous messenger, encrypted with Blockchain.



Ratspeak is a native desktop and mobile client for E2EE conversations over Reticulum, a new type of mesh networking. Ratspeak gives you messaging, file/image sharing, voice calls (experimental), LoRa capability, WiFi, BLE, TCP, offline messaging, turn-based games, and more.

A simple mesh network communications app powered by the Reticulum Network Stack.

TeleGuard is the data-secure messenger from Swisscows. TeleGuard encrypts every message and all telephone calls with encryption algorithm currently available: SALSA 20. TeleGuard servers are located in Switzerland, they are not subject to the data protection laws of the EU /...



VeilidChat is a 1-to-1, person-to-person text only chat application which serves as a technology demonstration for the Veilid application development framework. All communication is end to end encrypted, authenticated, private routed, and peer-to-peer. It's currently in early beta.



Quaternion is a cross-platform Qt5-based desktop IM client for Matrix, a reference desktop application using libQMatrixClient. Source code, issue tracker, roadmap etc. can be found at GitHub. Releases (with links to cross-platform source code archives, as well as binaries for...


Integrating Bridgefy allows mobile devices to communicate in a secure and efficient way across large distances, without having them depend on access to a Wi-Fi network or a data plan.



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.




Vector encompasses the ideals of freedom through free and open-source technology, using a "Privacy by Principle" approach. This means that privacy is not a feature or add-on, but the core foundation that Vector is built upon, which is granted and accessible to everyone.
Converse is a messaging app for decentralized, secure, end-to-end encrypted conversations. Built on the XMTP network, Converse lets you own your conversations and take them anywhere whenever you want, ensuring your most important messages—the ones you never want to lose or be...


