Windows application/service that will (out of the box) check a list of websites to see if they are up, search the page for a search term, get the space on a local/shared drive and return file/directory counts on a list of directories. All of this is configurable. Plus, more jobs can be added.
Monitor system that is configurable and customizable.
Download the zip file, open up in Visual Studio, clean, restore packages, build and run.