Zenoss Core Alternatives

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

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

open-source

Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.

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

LANState - Network Mapper and Device Monitor

ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.

AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.

Ekran System is an enterprise-grade user monitoring software.

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)

SQL Monitor helps you and your team find issues – before they become problems

PnP networked resource monitoring tool that can help to answer the what just happened to kill our performance

A webmonitoring solution for beginners and pros.

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