TM4J is a topic map engine implemented entirely in Java. Topic maps are a standard paradigm for the interchange of knowledge structures. This project aims to produce a complete suite of tools for creating, processing and publishing topic map information. 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

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

The Eigenbase Project is an open-source platform for building advanced data management systems, and is backed by a non-profit organization which designs, develops, and promotes it. Platforms: Windows, Mac, Linux

TDBF is a native data access component for Delphi, BCB, Kylix, FreePascal. It allows you to create very compact database programs which don't need any special installer programs. The DB engine code is compiled right into your executable. Platforms: Windows, BSD, Mac, Linux

idyuts is 'I Dare You to Use This Shell'; a pre-hibernate approach to replacing an ORM written with jython functors into a pure-Java language command pattern. The 'pipeline codegen artifacts' are simple IoC templates, and trivial to adapt Platforms: Windows, Mac, Linux

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. Platforms: Windows, Mac, Linux

SQL2JAVA is a SIMPLE, PRAGMATIC and POWERFUL code GENERATOR.It maps any relational schema to a java API dedicated to access your database schema. It supports Oracle, SQLServer, PostgreSQL, MySQL, Sybase, HSQL, etc...2 minutes to install/try... Platforms: Windows, Mac, 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

This is an sql query engine for csv files, for when you do not have the time/energy/resources/inclination/whatever to load the data into a real database. Platforms: Windows, Mac, Linux

SMYLE is the Storage that Makes Your Life Easier: a versatile, highly reliable, high performance, convenient, transactional, cross-platform database for Java applications. Smyle is seamlessly integrated with Java and not an alien artifact like SQL. Platforms: Windows, Mac, Linux

SmartPool is a connection pooling Java component modeled on connection pooling features provided by an Application Server. SmartPool 1.5 focuses on Oracle RAC and global Transactions. It makes an attempt to solve critical issues like connection leaks, co Platforms: Windows, Mac, Linux

SmallSQL is a 100% pure Java DBMS, a relational database for Java desktop applications. It has a JDBC 3.0 interface and offering many ANSI SQL 92 and ANSI SQL 99 features. It is very small and fast Java library. It does not have a network interface. Platforms: Windows, Mac, Linux

C/C++/Java source code library and Build Environment. Contains code for threading, inter-thread communication (ITC), sockets, embedded database, parsing, fileio, etc. The majority of the library is designed for embedded development. Platforms: Windows, Mac, Solaris, Linux

S3 Mockup is an Amazon S3 emulator we develop for one of our projects. It can be easy embedded and used in your test framework or running as an independent service. Using this emulator you can easy setup development and QA environment. Platforms: Windows, Mac, Linux

User Defined Library for InterBase / Firebird / Yaffil for Windows and Unix. Written on C++. Platforms: Windows, BSD, Mac, Linux

RETE-DB is a customizable, multi-user web database frontend; suitable for *Address databases, *Bug management, *Todo lists, *File Server. RETE-DB is built for the internet; designed for speed, scalability and security. (group concept for access rights) Platforms: Windows, Mac, Linux

Sedna is a native full-featured XML database management system. Platforms: Windows, BSD, Mac, Solaris, Linux

Quality Assurance & Control database client server system. Postgresql server, C# clients, web php interface. All strategies are ISO 9001: 2000 compliant.Solve almost all traceability requierements. Platforms: Windows, BSD, 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