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MySQL, the most popular Open Source SQL database management system, is developed, distributed, and supported by Oracle Corporation.
PostgreSQL is a powerful, open source relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX ... [More]
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]
Firebird is a relational database offering many ANSI/ISO SQL standard features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers. It has been used in production ... [More]
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]
Ingres Database is the open source database management system that can reduce IT costs and time to value while providing the strength and features expected from an enterprise class database. Ingres Database is a leader in supporting business critical applications and helping manage the most ... [More]
eXist-db is an open source database management system built using XML technology. It stores XML data according to the XML data model and features efficient, index-based XQuery processing. eXist-db supports many Web 2.0 technology standards, making it an excellent platform and a powerful ... [More]
Apache Xindice is a database designed from the ground up to store XML data or what is more commonly referred to as a native XML database.
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]
Sedna is an open source XML database management system. It is a XML-native system developed from scratch in C/C++ and Scheme. Sedna is a full-featured database system that supports queries, updates, ACID transactions, security, etc. Sedna is designed to be fast, reliable and easy-to-use for ... [More]