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
Apps available for
Online
Android
iPhone
iPad
Self-Hosted
Ring VS Riot.im
Ring is primarily focused on video and voice communication with strong smart home integration, while Riot.im, now known as Element, emphasizes privacy and an open-source approach for messaging and collaboration.
Ring
Pros:
User-friendly interface
High-quality video and audio calls
End-to-end encryption
Supports smart home integration
Free to use for basic features
Cons:
Limited features in the free version
Requires an account to use
May have connectivity issues in low bandwidth
Riot.im
Pros:
Open-source platform
Federated architecture
Supports multiple messaging formats
Customizable with bots and integrations
Strong emphasis on privacy
Cons:
Can be complex for new users
Less popular, leading to fewer users in some regions