ably vs Fanout: What are the differences?
ably: A platform that makes it easy for you to add realtime messaging, notifications and streaming data to your applications. It enables any internet enabled device on the planet to publish data streams to any number of subscribers in milliseconds. Our infrastructure spans over 20 data centres globally ensuring low latency performance, redundant storage of all data and commitment to meet our guaranteed quality of service promise; Fanout: Realtime APIs made simple. Fanout makes it easy to build realtime APIs and apps. The product is a cross between a reverse proxy and a message broker. Receivers subscribe to channels, and published data is delivered in realtime.
ably and Fanout can be categorized as "Realtime Backend / API" tools.