Tox (protocol)

Tox
Stable release
0.2.21 / 15 May 2025 (2025-05-15)
Repository
Written inC
Operating systemLinux, OS X, Windows, Android, iOS, FreeBSD, OpenIndiana, Sailfish OS
TypeVoIP, Instant messaging, Videoconferencing
LicenseGPL-3.0-or-later.
Websitetox.chat 

Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption. The stated goal of the project is to provide secure yet easily accessible communication for everyone. A reference implementation of the protocol is published as free and open-source software under the terms of the GNU GPL-3.0-or-later.