API Connector by Mixed Analytics - Connect any API to Google Sheets.
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
SheetHub - SheetHub turns your spreadsheets (either Google Sheets or Excel Online) into a REST-ful JSON API.
Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
Hoss - Track and manage third-party APIs
Voiceflow - Build voice apps in your browser without coding