Zenoss Core Alternatives

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

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

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

open-source

LANState - Network Mapper and Device Monitor

System Center Operations Manager 2012 R2 uniquely enables customers to reduce the cost of data...

Monitor everything. Integrate anything. Scale anywhere.

Nagios compatible monitoring framework, written in Python

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.

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

Ipsentry is a comprehensive network performance management and monitoring system that provides real-time visibility and analysis of network performance across all layers of the OSI model.

Sentinet3 is an enterprise class unified proactive monitoring device able to monitor Systems...

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

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)