Centiservice is home to a few libraries worth considering if you use a multi-service architecture.
The two main libraries hosted at Centiservice github are Mats3 and MatsSocket. There are dedicated sites for them, at mats3.io and matssocket.io. Mats3 also have a companion project called MatsBrokerMonitor.
For more about the author’s philosophy around a multi-service architecture, one might want to read System of Services.