Sphinx.chat lets you use your lightning node to talk to anyone else who is running lightning and a sphinx compatible chat client.
Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone




Delta Chat is described as 'Uses email as a decentralized chat platform with modern interface, open source code, no central servers, strong privacy controls, and no account signup' and is a popular instant messenger in the social & communications category. There are more than 50 alternatives to Delta Chat for a variety of platforms, including Android, iPhone, Linux, Windows and Mac apps. The best Delta Chat alternative is Signal, which is both free and Open Source. Other great apps like Delta Chat are Telegram, Element, Tox and SimpleX Chat.
Sphinx.chat lets you use your lightning node to talk to anyone else who is running lightning and a sphinx compatible chat client.







SchildiChat is a Matrix client based on Element with a more traditional instant messaging experience.



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.
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.



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.







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 /...






Chat with anyone on X in a private, focused space built for conversation. No ads. No tracking. Fully end-to-end encrypted.



Skred is the first secure peer-to-peer instant messaging app - No need for an email address or phone number to use it.
Skred is free, without subscription, without a provider, without a SIM card, and without leaving a trace.


