The best alternatives to Soundrobin are Spotify, Exportify, and Jukebot. If these 3 options don't work for you, we've listed a few more alternatives below.
Playlistify is a simple web app that allows you to quickly create Spotify playlists from concerts, DJ sets, radio shows, and other mixes available on setlist.fm and 1001tracklists.com.
Equalist helps you create a playlist based on what you and your friends like on Spotify, so you won’t be stuck just listening to your friend’s boring playlist. Better yet, it can do so in a couple of seconds. Also, It’s free and that’s a great price!