Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.
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.
Photomosh - Turn anything into a vaporwave
PhotoSpills - Easy to use PC collage software with unlimited design possibilities.
Dreamscope - Make and share 'deep dream' images using dozens of supplied styles or your own.
PhotoMix - Affordable photography in the Gatineau/Ottawa region!