Pidgin-Encryption transparently encrypts your instant messages with RSA encryption. Developed by Bill Tompkins
License: Open Source
Tox is a decentralized, user-friendly messaging application that focuses on end-to-end encrypted communication and supports various media types, making it suitable for all users. In contrast, Pidgin-Encryption is a plugin for the Pidgin XMPP client that adds encryption capabilities, catering more to users already familiar with XMPP and those needing secure messaging within that framework.