PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
SolarWinds Database Performance Analyzer - SolarWinds Database Performance Analyzer analyzes SQL Server database to pinpoint the root cause of poor performance.
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
ClusterControl - Control Your Database Infrastructure
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.