Alternatives is described as 'clusterable realtime server that handles persistent tcp and websocket connections. It offers data-sync, pub/sub and request/response. It's available for Linux, Mac and Windows and comes with clients in JS, Java and many others' and is an app in the Development category. There are more than 10 alternatives to for a variety of platforms, including the Web, Mac, Linux, Self-Hosted solutions and Windows. The best alternative is Firebase, which is free. Other great apps like are Meteor (Free, Open Source), MongooseIM platform (Free, Open Source), FeathersJS (Free, Open Source) and Pubnub (Freemium).

    The list of alternatives was last updated Nov 11, 2020