GifBook - Make animated GIFs into paper flip books
Wallcat - Enjoy a new, beautiful wallpaper, every day.
ASCII Prints - ASCII art on your wall ¯\_(ツ)_/¯
Splashify - Beautiful desktop wallpapers for Mac and Windows
VSUAL - A new high-end print on demand marketplace for artists.
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.