Color Difference Matte keyer
Create 3D gradient mattes in any direction based on a position image
This tool will help with Despill and edge blending with the background plate.
Originally designed to help discover keyable channels for trickier shots, this gizmo creates a colorspace contact sheet.
Unspill technique by good old Steve Wright put into a nice little gizmo.
depth keyer - single or dual directions ( replacement for ZSlice )
A much more powerful and intuitive difference keyer than the stock one in Nuke
Despill gizmo based on background luminance and chroma with much more useful extra features.
Node made for fast despill operations, super simple to use with fine adjustment of spill color.
Rebuilt Nuke Keyer. Non-clamped and with LUT color controls.