
Spiceworks
Join millions of IT professionals and download Spiceworks, a free network monitoring software with network management tools, help desk ticketing app, network mapper and more.
Self-hosted, easily-deployable monitoring and alerts service - like a lightweight PagerDuty.
Cabot is a free, opensource, selfhosted infrastructure monitoring platform that provides some of the best features of PagerDuty, Server Density, Pingdom and Nagios without their cost and complexity.
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