marbot - A Slack bot detecting and managing incidents on AWS.
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Rasa Core - Rasa Core is a well-designed dialogue engine used to create chatbots.
AWS Amplify - JavaScript library for app development using cloud services
AWS Amplify Admin UI - Firebase from AWS, but much better
AWS Mobile Services - Storage, Analytics, Push Notif. & SMS Delivery SDKs