AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
CollageIt - CollageIt is an easy-to-use and automatic collage maker, which makes photo collage automatically.
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
PhotoSpills - Easy to use PC collage software with unlimited design possibilities.
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
Collagerator - Create amazing photo collages in few mouse clicks. Ready for download for Mac OS X and Windows.