RubyMine - Cross-platform IDE for productive Ruby & Rails development.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
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.
MasterControl - Life Changing Products, Flawlessly Manufactured.
Prometheus - An open-source systems monitoring and alerting toolkit.