Yes we can open source it. It works pretty well. You will have to maintain these 'minimum' servers to get > 99% availability. 2 NodeJS app servers 1 Redis Mas

Yes we can open source it. It works pretty well. You will have to maintain these 'minimum' servers to get > 99% availability. 2 NodeJS app servers 1 Redis Master + 1 Slave 3 RIAK cluster (recommended 5) You might want to checkout https://www.meteor.com/ https://www.meteor.com/ as well.