Fossify Messenger is your trusted messaging companion, designed to enhance your messaging experience in various ways.




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.
Fossify Messenger is your trusted messaging companion, designed to enhance your messaging experience in various ways.




Open source, decentralized platform enabling encrypted chat, secure voice and video calls, anonymous file sharing with swarming, censorship-resistant forums, channels, link sharing, and offline messaging. Uses OpenPGP and OpenSSL for robust privacy and security.




Provides a chat experience over email, with all messages and contacts stored on user devices, open source code, group media support, and compatibility with any provider. No central servers, no tracking, works without SIM, and can be used by anyone just via email.




Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.




Encrypted messenger supporting multi-platform access, unlimited group and private chats, file and voice message sharing, decentralized operation, open-source code, custom themes including dark mode, advanced moderation, push notifications, and no advertisements.




Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.




Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].




Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.




Messages is Google's communications app for Android to helps send and receive SMS and MMS messages. You can also send group texts as well as your favorite pictures, videos and even audio messages to your contacts.




An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.




Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.



