Windows 10 IoT Core with Rasberry Pi 2 B
See also my blog.entry: First experience with Win10 IoT and UWP on Rasberry Pi 2
The program monitors the Viessmann heating unit and stored configured values into a text file. You can spcify hi/lo-limits, if this gets reached, it will send an mail.
The program monitors HTTP servers and stored the reachability in a file.