Cost / License
- Free
- Proprietary
Application types
Platforms
- Android
- iPhone
- Android Tablet
- iPad




Delta Chat is described as 'Looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun' 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, Windows, Linux 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 WhatsApp.




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.



Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy



At this point in the digital world, our personal digital metadata – not just our messages, but data about who talks to whom, when, and where – has been marketed, auctioned, and monetized hundreds of thousands of times over.



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.












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.



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.
DUST gives you control over your digital life. We believe online life is real life, so only you should control what is known about you. Our users are protected—free from worry of prying eyes, data mining, sketchy hackers, and the paranoia that your words could come back to haunt...


