Sheetsu - Turn Google Spreadsheet into API
Chat Bots Weekly - A weekly curation of everything important in chat bots
Unbounded - Serverless NoSQL database you query with JavaScript
Botkit - Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.
restdb.io - restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.
Meya.ai - Build, train and host sophisticated bots.