A Java-based, experimental relational database representing functions as infinite tables. [Open Source, LGPL]

A small, fast, SQL and JDBC compliant relational database engine written in and for the Java programming language. [Open source, BSD License]

Relational database engine supporting multiple platforms (UNIX, Windows, MacOS) and multiple programming languages (Java, C/C++, Visual Basic, VBScript/ASP, C#). Supports client/server, embedded and micro (J2ME, PocketPC) environments. [Commercial]

A embeddable, SQL-99 specification compatible, Java-based database engine. [Commercial]

A pure Java RDBMS that supports "Full SQL" level of SQL/92. Using a patented algorithm, all previous states of the database are always directly accessible. [Shareware]

RDBMS with JDBC interface, client-server version, query tool, grid, tree, performance test class, servlet, and self-test program. [Open Source, BSD-like]

A pure Java RDBMS based on HSQLDB (HypersonicSQL). [Commercial]

An embeddable datastore with data compression, global transactions, integrity preservation, high concurrency, and flexible, extensible data model. [Commercial]

A Java library for reading and writing Xbase (dBase/DBF) files. [Open source, LGPL]

Multi-client / multi-threaded SQL relational database management system written in Java. Includes JDBC 2.0 driver. [Open Source, GPL]

Student project to create a relational database in Java. [Freeware]

Pure Java RDBMS with a JDBC interface including client/server, embedded, and micro (J2ME) products. [Commercial]

Small footprint database with transactions, failure recovery, SQL 92 conformance plus many SQL3 features. [Commercial]

Pure Java RDBMS with a JDBC interface. [Commercial]

(Storage That Makes Your Life Easier) An open source hierchical/relational database, seamlessly integrated with Java. [Open Source, GPL]

A very lightweight 100% Java text SQL engine that includes a JDBC driver. [Open Source, LGPL]

A dBASE III & IV compatible Java database. [Commercial]