AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Photomosh - Turn anything into a vaporwave
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.
MVGEN - Make your own music videos with audio, gifs, and special effects
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
HearSeeParty - Combine Gifs with with music using tags