SQLite Inspector is an advanced management tool for SQLite databases. It allows reviewing and changing database schema (including removing columns), browsing and editing data, backing up databases, exporting individual tables and features a convenient syntax highlighter for editing SQL queries.... Platforms: Mac OS X

XORM is an extensible object-relational mapping layer for Java applications. It provides interface-based persistence to RDBMSs using the Java Data Objects (JDO) API while allowing developers to focus on the object model, not the physical layer. Platforms: Windows, Mac, Linux

The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software, including the Indri search engine and ClueWeb09 dataset. Platforms: Windows, Mac, Solaris, Linux

An implementation (parser/interpreter) of SPARQL, a query language for RDF data that is the current recommendation of the W3C. Allows easy cusomization of the language and plugs in to several popular RDF servers, like Sesame. Platforms: Windows, Mac, Linux

A lightweight, browsing-based, 100% Python, federated data integration framework. Users may create custom schemas for disparate sources, query and expand results across sources to find related data; for use in fields such as bioinformatics and datamining Platforms: Windows, Mac, Linux

OpenDataBag is object database with web interface. Full text search over whole database, live reports, secure and stable. Platforms: Windows, Mac, Linux

olap4j is an open Java API for connecting to OLAP servers and writing analytic applications. Platforms: Windows, Mac, Linux

Kowari is a Java based, non-SQL database for the storage of RDF providing a lightweight, highly scalable, transaction-safe environment. Platforms: Windows, Mac, Linux

The first section is a collection of D3 programs that make up a socket server. The second section is devoted to client programs that can call this server. There are currently working clients for Java and PHP Platforms: Windows, Mac, Linux

HSQLDB is a relational database engine written in Java, with a JDBC driver, conforming to ANSI SQL:2008. A small, fast, multithreaded engine and server with memory and disk tables, LOBs, transaction isolation, multiversion concurrency and ACID. Platforms: Windows, Mac, Linux

EyeDB is an Object Oriented Database Management System (OODBMS) providing an advanced object model (inheritance, collections, arrays, methods, triggers, constraints), an object definition language, an object query language and C++ and Java bindings. Platforms: Mac, Solaris, Linux

An implementation of a truly relational database language with Python. Inspired by Date and Darwen's 'Third Manifesto'. Platforms: Windows, Mac, Linux

DBDOM bridges the gap between XML and relational databases.DBDOM is an implementation of the World-Wide Web Consortium's (W3C) Document Object Model in SQL.DBDOM turns any RDBMS into an XML application server. Platforms: Windows, Mac, Linux

CD distributable version of Apache, mod_perl, Perl, PHP, MySQL Server. Platforms: Windows, Mac, Linux

This project contains an component to building JDO applications with Castor (http://castor.exolab.org/). It's allow easy using of mappings with building OQL queries. Platforms: Windows, Mac, Linux

The BioDataServer is a database integration system. It implements a mediator-wrapper architecture and offers a SQL interface. The data integration is based on user defined intergrated schema and adapter that wrap any kind of data source. Platforms: Windows, Mac, Linux

It can be used to guess the result of WorldCup matches in a kind of Virtual Casino. The players compete in guessing the correct result of some kind of match. Soccer, Baseball, Basketball, or even Yes/No questions like: will Brazil win the next WorldCup ? Platforms: Windows, Mac, Linux

This is a testbed for projects of personal interests, especially academic projects. Platforms: Windows, BSD, Mac, Linux

XSDB XML is to DATA as HTML is to DOCUMENT. Publish and combine data as easily as HTML format and web browsers publish and view documents. Implementations in Python, javascript, java, C#/.NET. Platforms: Windows, Mac, Linux

tinySQL is a SQL engine written in Java. It uses dBase format files compatible with MS Excel. tinySQL comes with a command line interpreter which you can use to create, drop, or update tables. A GUI for tinySQL can be found at www.sqlmagic.com Platforms: Windows, Mac, Linux