Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android. Developed by Savoir-faire Linux
License: Open Source
Bitmessage is a decentralized messaging platform focused on privacy and anonymity, while Ring offers a more user-friendly experience with mobile support and integration options. Bitmessage is ideal for users seeking maximum privacy, whereas Ring is suited for those who prioritize ease of use and functionality.