1. 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.

  2. CodeGuard provides website backup, monitoring, and malware remediation services to small and medium businesses.

  3. Cloud based monitoring service

  4. Kaseya Traverse offers IT monitoring solutions and real-time visibility through unified monitoring of cloud and network Infrastructure.

  5. Complete monitoring and alerting for servers, switches, applications, and services

  6. An open-source systems monitoring and alerting toolkit.

  7. Your monitoring infrastructure in the cloud. Store, visualize and alert on all your metrics at all levels of the stack. Get your 30d free trial.

  8. Site24x7 offers both free & paid website monitoring services. Monitor websites remotely and receive instant email/sms alerts if your website becomes unavailable. View uptime & performance graphs of your website monitors.

  9. Platform for location-independent computing to ensure application performance and the best user experience.

  10. CtrlS is a Tier 4 certified data center offering cloud server hosting, dedicated server hosting, VPS hosting and other data center services.

  11. Graphite as a service

  12. Icinga is a fork of Nagios and is backward compatible.