PhotoCollage - PhotoCollage allows you to create photo collage posters from a list of photographs.
Collagerator - Create amazing photo collages in few mouse clicks. Ready for download for Mac OS X and Windows.
Shape Collage - Shape Collage is a photo collage maker software program. Automatically create picture collages in a variety of shapes with just a few mouse clicks. Available for Windows, Mac OS X, and Linux.
PhotoMix - Affordable photography in the Gatineau/Ottawa region!
CollageIt - CollageIt is an easy-to-use and automatic collage maker, which makes photo collage automatically.
Diptic - Diptic is the easiest way to create beautiful photo collages and share them with friends.