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, Windows, Linux, iPhone 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.
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.
jami-commander (jc for short) is a simple but convenient CLI-based Jami client app for setting up accounts and swarms as well as sending.
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.
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.
Decentralized messaging client for Android, Linux and macOS allowing you to communicate with people or LXMF-compatible systems over Reticulum networks using LoRa, Packet Radio, WiFi, I2P, or any other medium Reticulum supports.
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.
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