qTox - A Qt graphical user interface for Tox.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
SafeNote - Encrypt and send files and notes with a link that automatically destruct after being read. SafeNote is a free web-based service that allows you to share a note or a file with confidentiality. There is no way to spying on you even to a hacker.
Toxic - Toxic is a client with an ncurses interface, written entirely in C.
Safe Text - A texting service that is built with state-of-the-art technology to ensure your privacy and...