Free & Open-Source RingCentral Alternatives

Cloud communications platform.

1. Jami ↗ FOSSPRIVATE
   Decentralized P2P video/voice/messaging.
   ●●○Medium · Different UI, similar features
2. Linphone ↗ FOSSPRIVATE
   Open-source SIP softphone for VoIP calls.
   ●●○Medium · Different UI, similar features
3. FreeSWITCH ↗
   ●●○Medium · Different UI, similar features