Viaduct WebPush is new service from Viaduct providing you with the tools you need to implement real-time messaging in your applications. Using web sockets, Viaduct WebPush includes the server-side infrastructure and the client-side libraries you need to easily send real-time events to your application's users in their web browsers.
The service launches today so login to your account and give it a go today. Once you've logged in, just select WebPush from the menu on the left and then create your application. You'll then see some example javascript to play with.
To start with, everything is free however we'll be adding billing based on the number of messages & connections which you use. They'll be a free tier of 20 connections and 100k messages per day.