Apache Derby is an open source relational database and an Apache DB subproject implemented entirely in Java. Key advantages include a small footprint, and an embedded JDBC driver based on Java. Derby is easy to install, use, and deploy as well as supporting the familiar server/client mode.

CrunchBase is a database of the startup ecosystem consisting of investors, incubators and start-ups, which comprises around 500,000 data points profiling companies, people, funds, fundings and events. Members of CrunchBase can make submissions to the database; however, all changes are subject to review by a moderator before being accepted.