Here is a place where you can buy more sophisticated DCTLs for Davinci Resolve.
Salamifish Alexatool, mimics the Arri Alexa white balance behavior and includes a real exposure slider with real f-stops in luminance and RGB, free for download on the shader-download page
Salamifish Primelight, coming soon
Salamifish advanced LAB looks, coming soon
Salamifish Colour Crosstalk, coming soon