Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:

Element is described as 'A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls' and is a leading instant messenger in the social & communications category. There are more than 100 alternatives to Element for a variety of platforms, including Android, iPhone, Windows, Web-based and Mac apps. The best Element alternative is Signal, which is both free and Open Source. Other great apps like Element are Telegram, Matrix, Discord and Pidgin.
Chitchatter is a free (as in both price and freedom) communication tool. Designed to be the simplest way to connect with others privately and securely, it is:

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.




Kaidan is a simple, user-friendly Jabber/XMPP client providing a modern user interface using Kirigami and QtQuick. The back-end of Kaidan is written in C++ using the QXmpp XMPP client library and Qt 5.

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




Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).




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.


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



Experience a new way to connect with your people online. Join an existing community space or launch your very own branded platform tailored to your audience.



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 /...






kChat is a secure instant messaging for businesses, which makes it possible to discuss matters live and organise projects.
