Real-time Event-based communication Node.js
An easy way to give customers realtime features Websockets Simple
Easy to set-up and start with
Massively scalable & easy to use Easy setup Great support
Supports .NET server Real-time Free
Fastest pub-sub system out there Rock solid Easy to grasp
Cluster mode is awesome Scalability WebSockets
RethinkDB Real-time Node.js
Simple Open source Node.js
Open source Small size Real time
Open source
Admin GUI Data modeling BaaS
Simple and useful data model Free plan Cross-platform
RESTful Rails gem Works with ActiveRecord
The quickest way to turn any existing API into stream Best way to stream a static API