GroundWork Monitor Community Edition can give you insight into your computing infrastructure, allowing you to see the current and historical states of all your computers: servers, desktops, and laptops, all of your network devices, all of your services (like TCP/IP and Web services), and all of your applications (like mail servers and database apps). You can choose to be alerted when something goes awry via pager, SMS, email, or phone, and even set up automatic restarts or fall-overs.
License: GNU General Public License v2
Changes:
A new scripted installer. Auto discovery and configuration of devices. Updates to Nagios, NSCA, plugins, and syslog-ng. Many bugfixes and minor enhancements.
