Projects

HyperSQL Database Engine

hsqldb is a relational database engine written in Java with a JDBC driver that supports a subset of ANSI SQL:1999. It offers a small, fast database engine. Embedded and server modes are available. It includes tools such as a minimal Web server, in-memory query and management tools (which can be run ... [More] as applets or servlets, too), a test framework, PHP compatibility, Eclipse and NetBeans IDE compatibility, and a number of demonstration examples. [Less]

H2 Database Engine

H2 is an SQL database engine written in Java. It is very fast and small (about 1 MB), and supports embedded, server, and clustering modes. A browser based console application is included. Disk based and in-memory tables and databases are supported. Some of its features are transactions ... [More] isolation, multi-version concurrency (MVCC), table level locking, encrypted databases, fulltext search, and strong security. The main API is JDBC, however ODBC and others are also supported via PostgreSQL network protocol compatibility. [Less]

db4o

db4o is an object database available for Java and for .NET, including CompactFramework and Mono. Features include ACID transactions, automatic class schema recognition, Native Queries, query-by-example, S.O.D.A. object querying API, callback methods, memory files, cascade-on-delete and ... [More] cascade-on-update. db4o runs in embedded local mode and in multi-transactional client/server mode. [Less]

HiveDB

HiveDB is an open source framework for horizontally partitioning MySQL systems. HiveDB uses a partition-by-key scheme to manage sharded data stored in separate MySQL databases. Out of the box HiveDB supports simple JDBC or HIbernate via HIbernate Shards.

BlackRay Data Engine

BlackRay is a relational database system designed to offer performance features commonly associated with search engines. It offers SQL support and sophisticated operational and management features. Load-balancing and operational stability by means of N+1 redundance are included. BlackRay is ... [More] called a "Data Engine" since it combines traditional, relational database features and SQL with the power and flexibility of search engines. It is a true hybrid, offering transaction support, data-versioned snapshots, and sophisticated function-based indices. Wildcards, phonetic, and fuzzy logic searches are supported, as well. Commercial support is available, and the project is released under a the GPLv2 license. [Less]

hamsterdb Embedded Storage

hamsterdb Embedded Storage is a database engine written in ANSI C. It supports a B+Tree index structure, uses memory mapped I/O (if available), supports cursors, duplicate keys and can create in-memory databases. Wrappers for C++, .NET, Java and Python are available.

JDBM

JDBM is a transactional persistence engine for Java. It aims to be for Java what GDBM is for other languages (C/C++, Python, Perl, etc.): a fast, simple persistence engine. You can use it to store a mix of objects and BLOBs, and all updates are done in a transactionally safe manner. JDBM also ... [More] provides scalable data structures, such as HTree and B+Tree, to support persistence of large object collections. [Less]

Ingres CAFÉ

Ingres Consolidated Application Foundation for Eclipse (CAFÉ) is an award winning Java application development tool that accelerates and simplifies development with Java. Ingres CAFÉ is an open source community-contributed project that eliminates the time-consuming tasks of acquiring, installing ... [More] , and configuring the many components developers need in a Java application development environment. Ingres CAFÉ delivers a "one click and code" solution for Java development, bringing together leading open source products. Given that they are built on the Eclipse open source integrated development environment and Ingres Database, the applications can scale from the desktop to the data center without modification. [Less]

Daffodil DB- One$DB, a Java RDBMS

Daffodil DB is a SQL-99 specification compliant, lightweight, Java-based relational database engine (RDBMS). It supports almost all constructs of SQL 99 (including triggers, views, constraints, UDT, stored procedures, etc.), supports distributed transactions (XA), provides a complete JDBC 3.0 driver ... [More] (including support for optional features like save points, rowsets, UDT, XA, connection pooling, etc.), and can run in embedded or server mode. It can be included as a jar file in any Java application. Daffodil DB includes Daffodil DB Browser, a GUI-based database management tool that can be used to carry out all database operations such as creating a database, creating database objects, executing SQL statements, and manipulating data, browser database objects, etc. [Less]

MyVirtualDirectory

A Java-based virtual directory including support for clustered configurations. A virtual directory is a service (typically provied via LDAP) that allows for the integration of multiple data repositories in a transparent manner to an application. There are several use cases for a virtual directory ... [More] including (but not limmited to): * Creating a view of a user with attributes stored in multiple repositories * Formatting user and group object for an application * Creating a larger directory from smaller ones NEW: Utilize MyVirtualDirectory to integrate Linux with Active Directory [Less]