SmallDevTools - Handy developer tools with a delightful interface
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
AWS Amplify - JavaScript library for app development using cloud services
Profitable developer tools database - A database of 103+ hand-curated profitable developer tools
AWS Mobile Services - Storage, Analytics, Push Notif. & SMS Delivery SDKs