The Google Realtime API has been deprecated, and the API will be shut down in January 2019. The company provides other products such as Google Cloud SQL, Firebase Realtime Database, and Google Cloud Firestore which should meet developers application development requirements.
Microsoft has joined the likes of Google and Mozilla with its release of the WebRTC 1.0 API. The release enables real-time audio, video, chat, and file sharing across platforms and browsers. With the first release, Microsoft is focused on delivering RTC functionality in existing, legacy websites.