This is a great plugin from RedGiant that supports keying
Keying Suite is a complete set of professional tools that make your keying look seamless and sells the realism of your composite. Get great results for basic keying situations as well as multi-step composites and difficult shots like low light or choppy footage. The three plug-ins work fluidly between After Effects and Final Cut Pro, and save you time with a wide range of powerful features like spill removal, edge detail and wire rigging. From frizzy hair to transparent glass, Keying Suite takes you successfully from the initial matte to the final composite.
Red Giant Keying Suite 11.1.7
Red Giant Keying Suite 11.1.8
Red Giant Keying Suite 11.1.9
Red Giant Keying Suite_Mac_Full_11.1.10.