UPDATE:
Version 49 is up:
https://www.youtube.com/watch?v=JC7bkw5LEJg&ab_channel=RMSoftware
Speedfan doesn't work on my MSI Z390 board, BIOS fan control is horrible, so I made this:
https://imgur.com/a/Op7Fc6j
Main thing you need to know: you can control your case fans from both your CPU AND/OR GPU temp.
Tutorial(s) (playlist): https://www.youtube.com/watch?list=PLICmn1_a7bGBYnhnD76W5hR9e5CK2bkDi&v=LyIaxuppBAI
LTT thread : https://linustechtips.com/main/topic/1099996-openfancontrol-my-take-on-a-speedfan-replacement/
Based on : https://github.com/LibreHardwareMonitor/LibreHardwareMonitor ( the raw DLL is used and exposed next to the exe. You can swap it. )
What do you guys think?