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.
Stream.io provides developers with tools for adding scalable feeds, activity streams, and chat functionality to their applications via the Stream API. The company has recently announced a new SDK that aims to streamline the addition/creation of chat functionality for iOS applications.