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
Dialog Messenger is ideal for secure communication and team collaboration with a focus on messaging and file sharing, while Ring excels in smart home integration and security features, making it more suitable for personal and business security needs. The choice between them depends on whether the user prioritizes messaging capabilities or home security.