Dashblock - Turn any website into an API
Bands In Town - Local concerts and live recommendations
Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat
Songkick - Songkick tracks your favorite bands so you never miss them live.
Postman - The Collaboration Platform for API Development
Music Plug - Music news & concert tickets