[gnur]

I'd say most of these patterns are supported by NATS, it can do pub/sub but actually also has excellent support for RPC and in the latest iteration it also has a KV store baked in. I've been using it for a few pet projects so far and it has never been the weakest link.

[samsquire]

I keep hearing about NATS but I am yet to use it leisurely or for work.

Thanks for the recommendation :-)