Swatches - A fun and accurate color picker for the real world
CONV. - Convert YouTube video to MP3, GIF or MP4
ColorSnapper - The missing color picker for Mac.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Sketch Palettes - Sketch plugin to save and load colors into the color picker
Yout - YouTube to Mp3 Converter