GIMP - GIMP is a multiplatform photo manipulation tool.
Collagerator - Create amazing photo collages in few mouse clicks. Ready for download for Mac OS X and Windows.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
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.
ShapeX - Collage - Free Shape-Collage Generator! – (v1.1) Save Example Images & New Examples !
Snap2IMG - Snap2IMG generates contact sheets (also known as thumbnail sheets or image index) for folders on...