Sheetsu - Turn Google Spreadsheet into API
Arbiter IDE - The offline-friendly, in-browser IDE for pure JS prototypes
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
Deco IDE - Best IDE for building React Native apps
grepQL - GraphQL IDE - Generates every queries from the schema
API Castor - Convert your CSV Files to API endpoints for friction-less sharing.