Color
Levels
Expand, Compress, and Gamma controls in a nice neat package.
CineonLUT
"Film Look" (expects a log input).
Merge
Fuse
Very powerful tool for layering a foreground over a background.
IColor
Applies the color of the background to the foreground image without effecting luminance of the foreground.
Key Over
Much like a Keymix but uses an Over node instead of a Mix node
Transform
Resizer
A resize node the maintains pixel aspect ratio. Includes many common presets.
Filter
ExponentialBlur
Blurs exponentially. Most often used with roto shapes. (requires an alpha channel)
Key
Luma Despil
performs a spill suppress and can use the background as the replaced color
Alpha Clean
removes stray pixels from the alpha channel of your matte
