The best alternatives to SongFeed are Collaborative Playlists, Gnarlist, and PlayVi. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Gnarlist is a web app that allows you to create and manage collaborative Spotify playlists with rules. Stay in control at all times by setting genre, artist and more. Just log in with your Spotify account – of course it's free.
PlayVi is a progressive web app built on top of Spotify API in order to simplify the process of creating public playlists and collaborating on them with ease. For further details, you can visit the repository page.
Service automatically generates Spotify playlists for a group of people according to their common music tastes. It will take only a few seconds to make a playlist that all friends gonna like. With Rekl.be there is no more time wasted on deciding which songs to play. Apple Music and other streaming services will be added soon
With Mixtape, you never have to stop dancing. Mixtape is an app designed to allow you to create playlists between Apple Music and Spotify. Create a playlists with your best friend or a group of friends regardless of your streaming service.