Open Source

Object oriented, CA-Clipper and Xbase compatible compiler.

Main memory object-relational DBMS featuring log-less transaction recovery, tight C++ integration, query language like SQL. Optimized for all data being held in RAM.

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]

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]

News, information, and tools related to open source database platforms.

A graphical front end for any ODBC compliant database [GPL]

Rekall is an open source database front end, in the style of Microsoft Access. It is built on Qt and KDE and runs on Linux and Windows. Open source drivers available for MySQL, PgSQL and XBase (DB4 via a wrapper library) [GPL]

A flexible, lightweight object oriented database system in C++ with an extensible back-end store design. MFC compatible version available. [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.

Free and open source version of Java database Daffodil DB. Available in both network and embedded editions.

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

Both a single user and client/server versions with ODBC drivers. Distributed under a modified GPL that allows distribution of applications without including source code. Commercial support available.

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

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.

GBDI Arboretum is a portable C++ library which implements various Metric Access Method (MAM). By using this library applications will be able to perform similarity queries (queries by contents).

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

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

Database server written in Ruby that supports tables, indexes, triggers, sequences, views, stored procedures, and transactions.

A list of research and other free database systems. Also includes some benchmarks. Maintained by ACM SIGMOD.

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

Open-source business template for Filemaker Pro 9.0 that supports sales, inventory, quotes, and taxes, in multiple languages for multiple users.

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.

Pure Ada database including library and tools for persistent graphs of basic values (integer, string, float).

A free, open source, performance benchmark for private testing of relational database systems. Tests are written in the C language using GNU tools.[2008/10/22]

EnterpriseDB is the world's leading provider of enterprise-class database products and services based on PostgreSQL, the world's most advanced open source database.[2008/11/28]

Open source Java SQL database engine with embedded, server and cluster modes. ... Free, open Source Database fully created in Java. ...[2008/07/21]

Comparison between free Open Source Database Software ... OPEN SOURCE DATABASE SOFTWARE COMPARISON ... The Open Source Database Benchmark - http://www.mysql. ...[2005/03/29]

Sophisticated open-source Object-Relational DBMS supporting almost all SQL ... Database Designer for PostgreSQL 1.2.6 released. 2008-11-08 ...[2008/11/30]

... it doesn't plan to open-source its DB2 database, despite a published report ... Open Source. Saas. Databases. Development. Web Services. Web Site ...[2008/11/28]

Perst Embedded Database – an open source, object-oriented Java database and .NET database. A small footprint, plus exceptional transparent persistence in working ...[2008/11/27]

Are open source databases ready for the enterprise? Until recently, databases have been a relative unknown amongst open source software. ...[2008/11/08]

ScaleDB - Enterprise Scalability for Open Source Databases ... The ScaleDB engine is plug-compatible with open source databases. ...[2008/05/01]

Remember that open source is also a freeware alternative. ... Apache Derby is an open source relational database - part of the Apache DB Project. ...[2008/10/17]