MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
Microsoft SQL Server - Microsoft Azure is an open, flexible, enterprise-grade cloud computing platform. Move faster, do more, and save money with IaaS + PaaS. Try for FREE.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.