Nagios (API)

Nagios is an open-source monitoring system used to monitor the health of networked hosts and services.
Exoprise

End-to-End network and application visibility/monitoring solution
CloudRadar

An observability tool for collecting events, metrics and logs
Hyperping

Uptime monitoring with public status pages.
Checkly

Help Desk Software and Customer Service app. Both SaaS and On-Premise versions.
HaloITSM

ITSM Software | ITIL-aligned Service Desk Software
Pulsetic

Website Uptime Monitoring and Status Page
AlertSite

Monitor your websites, web apps, and APIs
Rollbar

Real-time exception reporting and continuous deployment monitoring for developers
DattoRMM

Datto Remote Monitoring and Management (RMM) is a fully-featured, secure, cloud-based platform which enables MSPs to remotely secure, monitor, manage, and support endpoints to reduce costs and increase service delivery efficiency. AlertOps’ alert management system can be integrated with DattoRMM to receive and respond to all (predefined status mappings) alerts through email, SMS, push notification […]