Jami is described as '(formerly GNU Ring, SFLphone) positions itself as a potential free Skype replacement' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Jami for a variety of platforms, including Android, Windows, iPhone, Mac and Web-based apps. The best Jami alternative is Signal, which is both free and Open Source. Other great apps like Jami are Telegram, Element, Pidgin and Tox.
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
The preservation of privacy is the main driver for this project. Secure technologies, such as WebRTC, are used to establish a direct connection between the participants. The website that provides the web application and mediates the communication stores as little data as...
Off-the-Record (OTR) Messaging allows you to have private conversations over any instant messaging (MSN,Gtalk, Facebook and so on) by providing encryption, authentication, deniability, perfect forward...
Speek! is the first messenger that is anonymous and censorship-resistant by design. Speek! messenger encrypts all messages and is secure, private and decentralized.
LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones for free.
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.
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.
Empathy is a messaging program which supports text, voice, video chat, and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.
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