Liquibase - Database schema change management and release automation solution.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Sqitch - Sqitch is a standalone database change management application without opinions about your database engine, development environment, or application framework.
CouchBase - Document-Oriented NoSQL Database
Flyway - Flyway is a database migration tool.
Brilliant Database - Create a personal or business desktop database fast and easily using this simple all-in-one database software. Free 30 day trial.