1)   AKVIS Coloriage 5.0
Coloriage allows colorizing B&W photos and replacing colors in color photos. It's enough to indicate the desired colors by a brush stroke; the program recognizes the object's border itself and tailors the new color to the grayscale tones of image.

 2)   RetroGrade 1.2
A single plug-in for use with Photoshop-compatible host applications. It will help you to recreate classic effects as if you were shooting with traditional black & white film.