There is the Sharepoint monitor in the Extension Manager (Uptime Infrastructure Monitor 7.3 or later) or for earlier releases on the grid http://the-grid.uptimesoftware.com/plugin/sharepoint-monitor.html
Overview
Content Tools
There is the Sharepoint monitor in the Extension Manager (Uptime Infrastructure Monitor 7.3 or later) or for earlier releases on the grid http://the-grid.uptimesoftware.com/plugin/sharepoint-monitor.html