Munin Alternatives

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

open-source

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

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.

freemium $15.0 / Monthly (per host)

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.

Spiceworks bundles network monitoring, helpdesk, UPS power management, PC inventory tools, an online community, and much more for free

Monitor everything in real time – for free

freemium $3.0 / Monthly (Netdata Pro, $3 /Node /mo - Netdata Business, $4 /Node /mo )

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

JProfiler is the leading Java Profiler for profiling on the JVM. JProfiler's intuitive UI helps you resolve performance bottlenecks, pin down memory leaks and understand threading issues.

darkstat is a packet sniffer which runs as a background process, captures network traffic...

BandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display...

Monitor network traffic and bandwidth usage in real time

ntopng High-Speed Web-based Traffic Analysis and Flow Collection ntopng is the next generation version of the original ntop, a network traffic probe that monitors network usage. ntopng is based on …

An open-source systems monitoring and alerting toolkit.