ColorCalibrater

ColorCalibrater is a plugin of Darktable, fully compatible with the industry-standard ColorChecker Passport and SpyderChecker. Users can transfer the images with color target to ColorCalibrater and it will generate ICC profiles in Darktable. After that, Darktable can directly read ICC profiles without restarting, which can save users’ work time. In addition, users can choose to use automatic or manual methods to align color target in ColorCalibrater.

https://www.artstation.com/marketplace/p/9v7y/colorcalibrater
https://gumroad.com/l/JZqOO