The Tox protocol uses file-sharing techniques for messaging and audio-video chats, which gives users a greater degree of privacy and freedom.
In the case of WhatsApp, there are quite a few alternatives, and many were suddenly overrun with WhatsApp users looking for another option. This article looks at the different categories of messaging services, and then delves into one particular option – using peer-to-peer messaging apps based on the Tox protocol.
Open Source Clients
Signal , Threema , and Telegram  are widely regarded as good alternatives to WhatsApp, partly on the grounds that they operate more freely and openly than the Facebook service. This typically means releasing the app source code under open source licenses and disclosing the underlying protocol so that other app developers can develop alternative clients (see Table 1).
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