@CarVac had a fork of darktable with fimulator as a module so I’m quite sure RT would be a possibility too if you can motivate him to do it. 
https://discuss.pixls.us/t/filmulator-algorithm-in-other-editors/1033/26
@CarVac had a fork of darktable with fimulator as a module so I’m quite sure RT would be a possibility too if you can motivate him to do it.
https://discuss.pixls.us/t/filmulator-algorithm-in-other-editors/1033/26