Software and SaaS packages to make developing real-time, live-sync, apps simpler.
Available at https://deepstream.io/.
- allows multiple clients to share a JSON object, edits to the object are synced to all clients interested on the same object;
- includes support for Request/Reply and PubSub API’s;
- can use multiple servers with a messaging system to keep them in sync;
- As far as I can tell, free to use.
Available at https://horizon.io/.
- Written by the same team of RethinkDB;
Available at https://baasil.io/.
- source code is mostly available, it is based on Socket Cluster;
- very cost-effective.
Available at https://pusher.com/.
Available at https://www.pubnub.com/.