Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.


Sphinx Chat is described as 'Sphinx.chat lets you use your lightning node to talk to anyone else who is running lightning and a sphinx compatible chat client' and is a Group Chat app in the social & communications category. There are more than 50 alternatives to Sphinx Chat for a variety of platforms, including Android, iPhone, Mac, Windows and Linux apps. The best Sphinx Chat alternative is Signal, which is both free and Open Source. Other great apps like Sphinx Chat are Telegram, Element, Matrix and Tox.
Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.


qTox - The most feature-rich Tox client; P2P instant messaging, audio and video calls.


Imo is a free, simple,secure and faster international video call & instant messaging app.




A playful and interactive multimedia messaging app offering ephemeral photo and video sharing. Control view time, get alerts for screenshots, and engage with friends through gamified interactions and video calls.



Protect your communication in transit and on your phone. Silence (formerly SMSSecure) is a full replacement for the default text messaging application: all messages are encrypted locally and messages to other Silence users are encrypted over the air.






A great way to stay in touch with your relatives, by sending both SMS and MMS messages. The app properly handles group messaging too, just like blocking numbers from Android 7+.



Utopia P2P Ecosystem. Utopia is a feature-rich platform that is specifically designed to protect privacy of communication, confidentiality, and security of personal data. Utopia is a decentralized network, with no central server involved in data transmission or storage.




Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.






Quantum-resistant encrypted messaging, video/audio calls, and file transfers in the browser with optional registration and no downloads required.





