Dialpad - Switch is a cloud-based phone system built for Google Apps users.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Nextiva - Business VoIP, cloud phone systems trusted by more than 150,000 companies. Powered by the leading cloud PBX VoIP platform, Nextiva is rated the best business VoIP service provider.
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.
Genesys Cloud - As the foundation of great customer experience, the Genesys PureCloud contact center platform empowers your business to provide excellent service across the entire customer journey.
Prometheus - An open-source systems monitoring and alerting toolkit.