Party Play - Introducing Party Play. One playlist for multiple users.
Photostash - Automatically save your pictures from Slack to Gdrive
MisterJack - Make and share playlists
Heymarket for Slack - Text and Facebook messaging from Slack
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Slack It - A bookmarklet to share links in Slack with one click