Statista - The Statistics Portal for Market Data, Market Research and Market Studies
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Montecarlito - MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations.
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.
datarobot - Become an AI-Driven Enterprise with Automated Machine Learning
Prometheus - An open-source systems monitoring and alerting toolkit.