Open Source Websites

picoSQL is a SQL-based, multi-user, client/server RDBMS, derived from a commercial project [GPL].

An SQL browser tool that works with any JDBC 2.0 or higher driver. [Open Source, MPL]

An Object-Oriented Database and Web Services (SDK) written in Java, includes documentation, example code and information about the author.

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.

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]

Provides small footprint, high performance, and easy-to-use embedded database solutions. Also sells technical support and consulting.

tdbengine is a small but powerful RDBMS written in PASCAL. It runs on Linux as well as on Windows machines.

ChurchInfo is a php/mySQL database to keep track of people, families, groups, pledges and payments, Sunday school classes, etc.

A lightweight (Java/J2EE), multiplatform web based query tool and reporting environment. Supports tabular, crosstab, charts, scheduling; data exportable to spreadsheet.

Java library to execute SQL statements stored in external library files. This separation increases readability, eases maintenance, and allows separate testing and documentation. [MIT]

A Linux rapid application development (RAD) tool for creating dynamic data aware database applications from standard design specifications.

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.

Open source high-performance database system developed at CWI, the Institute for Mathematics and Computer Science Research of The Netherlands.