Open source network management comparison: General

Attribute / Project[OpenNMS](https://www.opennms.org/)[Nagios](http://www.nagios.org/)[Zenoss](http://www.zenoss.org/)Hyperic[Zabbix](http://www.zabbix.com/)
General
LicenceGPLGPLGPLGPLGPL
First released20001998200620062001
Development languagesJavaCPython / ZopeJava / CC / PHP
External dependenciesRRDTool / JRobinNet-SNMP / RRDToolRRDToolSNMP4JNet-SNMP
ConfigurationXML filesText filesWeb basedWeb basedWeb based
Extensible![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)
User interfaceWebWeb / WAPWebWebWeb
Reporting![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)![X](/images/tick.png)

Update 1: Added C to the Hyperic development languages