Spotify - Map shows when two people play same song at same time
Gifmock - Easily create high quality GIFs
DiscVibe - Create personalized and contextualized Spotify playlists
GIF Resizer - Create animated GIFs and resize GIFs too big to tweet!
Listen for Mac - Add songs to Spotify playlists using keyboard shortcuts
ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online