Cross-processing was used during the age of film cameras to give photographs a unique look. Technically it is the process of treating a film with the chemicals usually used for different type of film –like developing transparency film with C41 process.

Bleach Bypass is a processing technique used for color film to obtain low-saturated and high contrast images.

A simple, elegant, telecine-style color-correction tool for coloring or grading your movie.

Here are two presets knocking out black OR white from a layer based on the luminance to set it as transparent/alpha.