SpreadSimple - A blazing-fast way to create and manage sites using Google Spreadsheets
Marvel Embeds - Embed interactive prototypes on any site (including Medium!)
Algo by AirDev - Turn a Google Sheet model into a web app in 5 minutes
Upscribe - Embeddable lead generation forms for Medium
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
PingPoint - Never miss a Mark Zuckerberg signup to your app ever again