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.
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.
CouchBase - Document-Oriented NoSQL Database
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Firebird - Relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platform