uTox

Lightweight Tox client

uTox is lightweight Tox (https://github.com/irungentoo/ProjectTox-Core) client written in C. Simple and convenient program for confidential communication. Still early in development, though it already supports some of the most important features, like file transfers, A/V, group chats, and DNS Discovery. There are also binaries for other OS: Linux, Android, OS X and Windows, which makes it possible to communicate between users of different OS.