Demandbase - Bizo
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Metadata - Metadata automates account based demand generation for B2B companies using AI, data enrichment, & targeted advertising.
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.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Prometheus - An open-source systems monitoring and alerting toolkit.