JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.
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.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
TurboCollage - TurboCollage - photo collage editor software. Make collages, picture piles, picture grids, montages, and mosaics on your Mac or Windows PC. Download a free trial now!
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
PhotoSpills - Easy to use PC collage software with unlimited design possibilities.