- [Scrutiny](https://github.com/AnalogJ/scrutiny) - Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds
- [Scrutiny](https://github.com/AnalogJ/scrutiny) - Hard Drive S.M.A.R.T Monitoring, Historical Trends & Real World Failure Thresholds
- [Sensu](https://sensu.io/) - Monitoring tool for ephemeral infrastructure and distributed applications. ([Source Code](https://github.com/sensu/sensu-go))
- [Sensu](https://sensu.io/) - Monitoring tool for ephemeral infrastructure and distributed applications. ([Source Code](https://github.com/sensu/sensu-go))
- [Thruk](http://www.thruk.org/) - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken. ([Source Code](https://github.com/sni/Thruk))
- [Thruk](http://www.thruk.org/) - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken. ([Source Code](https://github.com/sni/Thruk))
- [Xymon](https://www.xymon.com/) - Network monitoring inspired by Big Brother.
- [Zabbix](http://www.zabbix.com/) - Enterprise-class software for monitoring of networks and applications.
- [Zabbix](http://www.zabbix.com/) - Enterprise-class software for monitoring of networks and applications.
- [Zenoss](http://community.zenoss.org) - Application, server, and network management platform based on Zope.
- [Zenoss](http://community.zenoss.org) - Application, server, and network management platform based on Zope.