Description: SiskinIM is an open-source instant messaging client for Linux, Windows, and macOS that focuses on security and privacy. It offers end-to-end encryption, anonymity features, and support for the OMEMO encryption protocol.
Type: software
Pricing: Open Source
Description: Threema is a secure messaging app that emphasizes privacy and security with end-to-end encryption for all communications. It allows you to message and call other Threema users.
Type: software
Pricing: Open Source