PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
CKFinder - CKFinder is a powerful and easy to use Ajax file manager for web browsers.
Amazon Aurora - MySQL and PostgreSQL-compatible relational database built for the cloud. Performance and availability of commercial-grade databases at 1/10th the cost.
Flmngr - Free PHP File Manager
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Tiny File Manager - Web based File Manager in PHP, Manage your files efficiently and easily with Tiny File Manager