Kamon.io - Kamon makes an instrumentation library and Application Performance Monitoring tool that helps developers find and fix performance issues in microservices. Works best for Scala (Akka, Play, Lagom) and Java.

Zustand - Bear necessities for state management in React

NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.

vuex - Centralized State Management for Vue.js

Akka - Build powerful reactive, concurrent, and distributed applications in Java and Scala

MobX - Simple, scalable state management