Playlist Machinery - Tools that help you create & organize your Spotify playlists

Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.

TrackStack - Easy Spotify playlist sharing and collaboration

SpotMenu - Spotify and iTunes in your macOS menu bar

BeatMix - Enables Shuffle and Radio for multiple artists in Spotify

OpenPhone - Simplest way to own a business phone number