jQuery - The Write Less, Do More, JavaScript Library.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
React Native - A framework for building native apps with React
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
Babel - Babel is a compiler for writing next generation JavaScript.
Zabbix - Track, record, alert and visualize performance and availability of IT resources