Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption. Developed by Project Tox
License: Open Source
Tox is a fully decentralized communication platform prioritizing privacy and offers a wide range of features, while Ring focuses on secure calling and messaging with a more user-friendly interface. Tox may appeal more to tech-savvy users, whereas Ring is designed for users seeking simplicity and ease of use.