Munin Alternatives

Track, record, alert and visualize performance and availability of IT resources

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

Icinga is a fork of Nagios and is backward compatible.

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.

Help desk software features that work for IT

Monit is a free open source utility for managing and monitoring, processes, files, directories and filesystems on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

A fully featured network monitoring system that provides a wealth of features and device support.

An advanced network monitoring solution to monitor network up/downtime, traffic and usage.

Real-time performance monitoring, done right

Cacti is a complete network graphing solution. It provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features.

Observium

Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty