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.
RunDeck - RunDeck is an open source automation service with a web console, command line tools and a WebAPI.
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.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.