Toxic is a client with an ncurses interface, written entirely in C. It has support for all basic features, as well as 1-on-1 audio/video chats, and is capable of working...
toxic is a toxbased instant messenging client which formerly resided in the tox core repository, and is now available as a standalone application.
Voice Call Encrypted chat End to end encryption
instant-messaging video-chat voice-call voice-chat encrypted-chat end-to-end-encryption file-transfer p2p-chat