Easy Poster Printer - Ever wanted to create your own poster?
Unsplash Wallpapers for Mac (Official) - Curated, HD desktop background photos from Unsplash.
Rasterbator - Wall art from any image
Irvue - (previously Unsplash Wallpaper) Gorgeous wallpapers on your Mac.
ZebraTRACE - ZebraTrace is a simple tool to trace bitmap images into a pattern of curves with a variable width.
Wallpaper Wizard - Wow-worthy backgrounds for Mac