A nice usable interface over the older sensor libraries. Useful if you want to do things like average sensor temperatures and do a bit more than just a graph. SpeedFan is getting pretty old and motherboard makers doing software is usually awful, so this is a worth a look.
Here’s my set-up where I’m using a ‘Target’ curve and a Linear one for the rest of the case fans. Works nicely.
A demo video from the author: