Magic Playlist - Get the playlist of your dreams based on a song
MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.
Spotalike - Spotify playlist with similar songs, according to Last.fm
PST.NET - Virtual payment cards for online shopping and advertising
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Coinramp - The Coinramp Card lets you spend over 10+ cryptocurrencies like cash, online, in-stores and ATM withdrawals. Available in 100+ countries, no ID needed. Anonymous Crypto Cards