Zenoss Core is an open source IT monitoring product that manages the configuration, health and performance of networks, servers and applications through an integrated software package. It is a server application with a Web interface that monitors your devices remotely via SNMP, SSH, WMI, JMX, etc.
What's new in Zenoss Core
The VMWare Infrastructure ESX Server ZenPack allows you to monitor ESX hosts and guests via VMWares EsxTop utility.
Improved scalability with the following defects closed: http://tinyurl.com/28eh3uf
Documentation has been updated for 3.0.3, specifically theZenoss Installation Guide, Zenoss Developer's Guide, Zenoss Extended Monitoring, Zenoss Source and JSON API Documentation.
TheVirtual Host Monitor ZenPack has been updated.
The Global Device Search Core ZenPack is available for installation, providing search by hostname or IP with support for wildcards.