Playlist Machinery - Tools that help you create & organize your Spotify playlists
Fonts In Use - Type in the real world: an amazing archive of typography.
Playlistor - Convert Apple Music playlists to Spotify and vice versa
Typewolf - Typewolf helps designers choose the perfect font combination for their next design project—features web fonts in the wild, font recommendations and learning resources.
playAppleMusic.com - An (unofficial) web player for Apple Music
Google Fonts - Making the web more beautiful, fast, and open through great typography