MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.
Salesforce App Cloud - Salesforce App Cloud is a platform to build apps for customers, employees, and partners.
CouchBase - Document-Oriented NoSQL Database
Mendix - Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.