Gifmock - Easily create high quality GIFs
Slackbox - Spotify playlist collaboration through Slack
GIF Resizer - Create animated GIFs and resize GIFs too big to tweet!
Playlist Machinery - Tools that help you create & organize your Spotify playlists
ResizePixel - Free image editor to crop, resize, flip, rotate and convert images online
PlaylistMap - Connect with Spotify playlist curators from around the world