Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorit...

Stream allows you to build scalable feeds, activity streams, and chat. Stream’s simple, yet powerful API’s ...

SendBird is a Messaging SDK, Chat API, and fully managed chat infrastructure for your mobile apps and websi...

Flutter is a mobile app SDK to help developers and designers build modern mobile apps for iOS and Android.