Open Source Database Engines/Servers

Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language. More information and downloads at https://firebirdsql.org/, issue tracker is https://github.com/FirebirdSQL/firebird/issues

db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)

The DbtuTools project is a framework for working with the UNIX / Wintel versions of IBM's DB2 UDB database family.

Graphical Botanical Database Management Tool keeps track of a very large number of variables in the growth of plants their environment and experiments performed Producing custom reports and displaying images. UPDATE-XGBDMT IS NOW PLATFORM INDEPENDANT.

mysql auth_ldap is an authentication plugin for the MySQL server. It allows you to create SQL users that are going to be authenticated using a LDAP server. This allows to minimize administrative duties, since your users will be able to reuse their existing account to access the database. The plugin requires MySQL 5.5.7 and up. It is compiled as an add on and does not require you to alter MySQL source code, or recompile the entire server. The plugin add support for LDAP using the openLDAP library.

Set of tools and libs for managing structured data in a very flexible way: Imp./Exp. ASCII, XML, SQL, PS, Tex/LaTex, RTF GUI: X-Windows, MS-Windows Interface to C++, DBs, Perl, PHP, Java, TCP/IP LISP-like interpreter written in C++ using C-LIB

Dataman is a fully multi-threaded database server and client API libraries in C, C++, Java, and a PHP module has now been added as well. This is a 'direct access' database, not a relational one. It emulates the verbs of the EDITOR language.

ARSperl is an integration kit for Perl5 and Remedy ARSystem API. It provides a large subset of the functionality found in the ARS C API https://github.com/jeffmurphy/ARSperl

Amberfish has moved to: https://gitlab.com/amberfish/amberfish

Full featured AJAX web based reporting system. Written in Java / JSP. Web based reports are dynamically generated from JDBC result sets. Connects to any JDBC compliant database, most drivers already included. The Apache Derby database is embeded.

JPO (Jigs Persistent Objects) is the persistence layer for 'Jigs for Java' web applications, extracted here for use outside of 'Jigs'. JPO supports Domain-Driven Design while embracing the use of SQL snippets for object-based queries.

We at Jil Jil intend to build a tool which will forecast when the jobs will complete. We consider ours is a unique approach where we model the historical trend and blend them with current conditions to arrive at the precise expected time of completion.

MySQL is a true multi-user, multi-threaded SQL database server.

This is an easy to use and extensible rules engine written in C# for .NET and Mono.

OpenSiteSearch is the new Open Source version of OCLC's original java-based web application for building Z39.50 portals (i.e. virtual union catalogues). This project is specifically aimed at the library community.

OPR (Oracle Password Repository) is a Unix based secure tool for storage & retrieval of Oracle database passwords. By replacing hardcoded passwords in scripts with a call to OPR, it helps keeping your Oracle enviroment secure and easier to maintain.

Orient is 100% Pure ODBMS. It works with classes and objects instead of tables and records. Orient supports C++ language using ODMG 3.0 interface and Java using JDO 1.0. It's available as Just Edition, a small library, or as Enterprise Edition with dis

A next-generation object-relational database management system designed for enterprise use.

SportWire is a website toolkit for high-speed high-volume collection, transformation and redistribution of documents. Sportwire is currently employed by xmlteam.com to translate multiple concurrent vendor news feeds into standard SportsML at over 20 documents per second.

Low-complexity high-end database server. Keeps dynamic set of dbs open for sharing. Allows key=value access of std. DBMs w/o overhead of opens on & between accesses. User-control of file/dir-naming allows countless DBs w/o file-system limitations.

Enterprise PostgreSQL Query log Analyzer (epqa), it parses huge postgres log files, and shows html report. This report will be very useful for doing database optimization, and in fine tuning the psql queries. It parses compressed files also.

Combined coded remote-administrative service with SSL secure port scan, anonymous routing and third-party plugin inbuilt for quick and automatic "scan and install" process. Easy to use and will work under firewalls and up to 1024 bit strong cipher

Rolodap is a LDAP based contacts directory/manager. It uses a shared directory, but presents itself to users as a series of individually defined address books.Simplicity of end use is a primary goal. Rolodap integrates with emailers that support LDAP.

wuug_engine is a simple and easy to use web-based community portal system written in PHP. Ideal for Users Groups, etc... Note that this project is no longer under active development. The project is distributed Open-Source under the Sun Public License