CalcFusion - CalcFusion enables users to transform Spreadsheets into APIs that can be plugged into any IT system.
Sheetrock - Easily interact with Google Spreadsheets in JavaScript
Sheetbase - Free, fast and fun way to build modern websites and apps 🛠️
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
Galileo - Galileo is an analytics platform for APIs, microservices and serverless software.
Fieldbook - Create a database, as easily as a spreadsheet