picoSQL - picoSQL is a SQL-based, multi-user, client/server RDBMS, derived from a commercial project [GPL]. iSQL-VIewer - An SQL browser tool that works with any JDBC 2.0 or higher driver. [Open Source, MPL] MyOODB ( My Object-Oriented Database & Web Services ) - An Object-Oriented Database and Web Services (SDK) written in Java, includes documentation, example code and information about the author. Kexi - An integrated environment for managing data. It helps creating database schemas, inserting, querying and processing data. Screenshots, downloads, resources, a wiki and a list of involved developers. Ocelot Computer Services Inc. - The Ocelot SQL DBMS adheres closely to the ANSI/ISO SQL standard. The site has software downloads, tutorial information, and reviews of SQL or general DBMS books. [Mozilla and GPL] ITTIA - Provides small footprint, high performance, and easy-to-use embedded database solutions. Also sells technical support and consulting. tdbengine - The turbo database engine - tdbengine is a small but powerful RDBMS written in PASCAL. It runs on Linux as well as on Windows machines. ChurchInfo Church Database Application - ChurchInfo is a php/mySQL database to keep track of people, families, groups, pledges and payments, Sunday school classes, etc. ART - A lightweight (Java/J2EE), multiplatform web based query tool and reporting environment. Supports tabular, crosstab, charts, scheduling; data exportable to spreadsheet. Axamol SQL Library - Java library to execute SQL statements stored in external library files. This separation increases readability, eases maintenance, and allows separate testing and documentation. [MIT] Bond - A Linux rapid application development (RAD) tool for creating dynamic data aware database applications from standard design specifications. Hamsterdb Embeddable Database Engine - Hamsterdb is written in ANSI C and supports a B+Tree index structure, uses memory mapped I/O (if available), supports cursors, and can create in-memory databases. MonetDB - Open source high-performance database system developed at CWI, the Institute for Mathematics and Computer Science Research of The Netherlands.