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A small database stress tool written in Java. Emulates a given number of concurrent users querying the engine. Reports timing information for each test. Currently supports MySQL engine only.
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
JKBS it's a production system: a knowledge based system written in java. You can store if-then rules (called production) and fact in its production memory and let the inference engine to produce some result.
Datadog is an object persistence layer written in Java. Features include caching, transaction support, and much more using a rich and flexible API.
Datadog is a dead project, and has not been updated since 2002. Use Hibernate if you must use Java.
JucaDB is a relational database engine written in Java, supporting a subset of ANSI SQL-92. There is a JDBC driver with full suport. Client-server, referential-integrity and other features are implemented.
JSpeed -- Java-based Open-Source Embedded Database Management System supporting network database model with limited relational access. JSpeed's goal is to provide a high-speed embedded database written in 100 percent Java. Key management uses EP-Tree.
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
myDbSearcher is a search engine for MySQL Databases. It is written in Java. It scans several tables on different databases. A XMLRPC-Server will give you access to the Index.
Currently it runs on http://www.idowa.de/ueberblick/suche/index_html
Gemello is a relational database written in pure Java. Its design is aimed at teaching. If you're searching for a fast relational engine, Gemello won't be a good choice. Is's rather a good and simple example of relational database implementation.
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PAiN Mud codebase is a new MUD codebase written in Java. It provides general purpose persistence engine (PAiN DB) and ability of dynamic code reloading.
The DBAbstract Server is a middleware database server solution written entirely in Java. It provides connection to any type of database implementation through one JDBC partially complient driver, client-server encryption and connection pooling.
MCDb is a database record manager written in Java with indexing, locking, etc. MCDb is a library built to be used by other programs to manage small data sets of program settings, etc.
LeverPack is a small, transaction based, secure, concurrent, and efficient record repository management engine written in Java. It provides READ_COMMITTED transaction isolation level supported read/write access to user data records.
"Versionable Store - OX" is a single-user Object Database written in Java. The basic API is simple and elegant to use on new projects or incorporate in existing projects for persistence support.
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
Tiger is an object-oriented database, written in java. It uses the concept of primary keys, aggregates, relations and indexes for finding java objects in persistent storage. Tiger have support for transactions and remote access.
zTable is a mini-DBMS written in Java. It has 2 parts: a back-end DBMS engine and a front-end Eclipse editor plugin. The engine can be embeded in any Java application. The Eclipse editor can be useful as a free DBMS for end-users.
Jaxup is an XML update engine written in Java to work against
a variety of XML based object models such as DOM,
dom4j and JDOM. It supports the xupdate standard draft and
will support other xml update standards as they become available.
Omseek has been renamed to Xapian. Xapian is a Search Engine Library, written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C# and Ruby. It allows you to easily add advanced indexing and search facilities to your applications.