Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid




Adamant Messenger is described as 'The most secure and anonymous messenger, encrypted with Blockchain' and is a instant messenger in the social & communications category. There are more than 100 alternatives to Adamant Messenger for a variety of platforms, including Android, iPhone, Windows, Mac and Linux apps. The best Adamant Messenger alternative is Signal, which is both free and Open Source. Other great apps like Adamant Messenger are Telegram, Element, Matrix and Tox.




Tinfoil Chat (TFC) is a FOSS+FHD peer-to-peer messaging system that relies on high assurance hardware architecture to protect users from passive collection, MITM attacks and most importantly, remote key exfiltration.
Phoner provides business owner, sales people, lawyers, doctors, police officers and others with a second phone number to protect their identity and also gives the convenience of multiple phone numbers on one device.




KakaoTalk is a phone number based messenger service that allows users anywhere in the world to chat one-to-one or in a group for free. (no SMS service)




VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC that can provide communication features within your web browser.

Safe, Fast And Decentralized Messenger.
Zangi Private Messenger is a decentralized messaging app with a focus on security and low data usage.




Coccinella is a free and open-source cross-platform instant messaging client with a built-in whiteboard for improved collaboration with other people.




Emoty is a messaging application with emphasis on simplicity, freedom and safety. It's a client for RetroShare network, hence use the same decentralized, Friend-to-Friend network structure with end-to-end encryprtion.
Encryption plugin for Pidgin, providing up to 4096 bit RSA encryption using the NSS crypto library from Mozilla. Keys are automatically transmitted and stored, making it very easy to use, but also resistant to man-in-the-middle attacks.




