| AlgebraDB: A Java-based, experimental relational database representing functions as infinite tables. [Open Source, LGPL] |
| Axion: A small, fast, SQL and JDBC compliant relational database engine written in and for the Java programming language. [Open source, BSD License] |
| Daffodil DB: A embeddable, SQL-99 specification compatible, Java-based database engine. [Commercial] |
| Herodotus DB: 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] |
| Hypersonic SQL: RDBMS with JDBC interface, client-server version, query tool, grid, tree, performance test class, servlet, and self-test program. [Open Source, BSD-like] |
| HyperXtremSQL: A pure Java RDBMS based on HSQLDB (HypersonicSQL). [Commercial] |
| Infinity Database Engine: An embeddable datastore with data compression, global transactions, integrity preservation, high concurrency, and flexible, extensible data model. [Commercial] |
| JavaDBF: A Java library for reading and writing Xbase (dBase/DBF) files. [Open source, LGPL] |
| Mckoi SQL Database: Multi-client / multi-threaded SQL relational database management system written in Java. Includes JDBC 2.0 driver. [Open Source, GPL] |
| MindLab - Developer Site: Student project to create a relational database in Java. [Freeware] |
| PointBase: Pure Java RDBMS with a JDBC interface including client/server, embedded, and micro (J2ME) products. [Commercial] |
| QED: Small footprint database with transactions, failure recovery, SQL 92 conformance plus many SQL3 features. [Commercial] |
| SmallSQL: A desktop SQL database with a small footprint, 100% pure Java, embeddable, SQL 99 conformance, JDBC 3.0 driver. [Open source, GPL] |
| Smyle: (Storage That Makes Your Life Easier) An open source hierchical/relational database, seamlessly integrated with Java. [Open Source, GPL] |
| tinySQL: A very lightweight 100% Java text SQL engine that includes a JDBC driver. [Open Source, LGPL] |
| xBaseJ: A dBASE III & IV compatible Java database. [Commercial] |
Classical
