Photomosh - Turn anything into a vaporwave
Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
MVGEN - Make your own music videos with audio, gifs, and special effects
Pixel Studio - The Pixel Art Is Always Fun
HearSeeParty - Combine Gifs with with music using tags
Pixel Art to CSS - Draw and animate pixel art, export the results to CSS