qTox is an easy, secure instant messaging and VoIP client for the distributed Tox network. The program includes standard features like chat between users, group chats, file transfer with image preview, as well as high-quality audio and video calls with group call capability.

The program is peer-to-peer, meaning no central server is necessary for the network to function.

Cross-platform with clients available for Mac, Windows, FreeBSD and Android. Alternatively, qTox Portable is also available.