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PostgreSQL Database Server

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  Analyzed 12 days ago

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] , BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. [Less]

922K lines of code

20 current contributors

12 days since last commit

2,053 users on Open Hub

Very High Activity
4.63686
   
I Use This

HyperSQL Database Engine

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  Analyzed 9 months ago

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]

584K lines of code

3 current contributors

10 months since last commit

221 users on Open Hub

Activity Not Available
4.04651
   
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pgAdmin III

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  Analyzed 12 days ago

Open Source administration and management tools for the PostgreSQL database and derivative products such as EnterpriseDB's Postgres Plus and GreenPlum Database. Includes a graphical administration interface, an SQL query tool with grahical EXPLAIN, a procedural code editor, an SQL/shell/batch ... [More] scheduling agent, Slony-I management and much more. pgAdmin III is designed to answer the needs of most users, from writing simple SQL queries to developing complex databases. The graphical interface supports all PostgreSQL features and makes administration easy. Available in more than a dozen languages and for several operating systems, including Microsoft Windows, Linux, FreeBSD, Mac OSX and Solaris. [Less]

252K lines of code

0 current contributors

about 1 year since last commit

207 users on Open Hub

Very Low Activity
4.17544
   
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Firebird

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  Analyzed 13 days ago

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] systems, under a variety of names, since 1981. Firebird is a commercially independent project of C++ programmers, technical advisors and supporters developing and enhancing a multi-platform relational database management system based on the source code released by Inprise Corp (now known as Borland Software Corp) on 25 July, 2000. Join the Firebird Foundation The software is completely free of any registration, licensing or deployment fees. It may be deployed freely for use with any third-party [Less]

1.25M lines of code

32 current contributors

13 days since last commit

106 users on Open Hub

High Activity
4.56522
   
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Ingres Database

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  Analyzed over 1 year ago

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] demanding enterprise applications of Fortune 500 companies. Focused on reliability, security, scalability, and ease of use, Ingres contains features demanded by the enterprise while providing the flexibility of open source. Core Ingres technology forms the foundation, not only of Ingres Database, but numerous other industry-leading RDBMS systems a [Less]

3.76M lines of code

1 current contributors

almost 2 years since last commit

36 users on Open Hub

Activity Not Available
4.71429
   
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eXist-db

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  Analyzed 15 days ago

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] environment for the (rapid) development of web applications based on XQuery and related standards. Entire web applications can be written in XQuery, using XSLT, XHTML, XForms, CSS and Javascript (for AJAX functionality). [Less]

453K lines of code

22 current contributors

16 days since last commit

33 users on Open Hub

High Activity
4.53846
   
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OrientDB

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  Analyzed 5 months ago

OrientDB is a deeply scalable Document-Graph DBMS with the flexibility of the Document databases and the power to manage links of the Graph databases. It can work in schema-less mode, schema-full or a mix of both. Supports advanced features such as ACID Transactions, Fast Indexes, Native and SQL ... [More] queries. It imports and exports documents in JSON. Graphs of hundreads of linked documents can be retrieved all in memory in few milliseconds without executing costly JOIN such as the Relational DBMSs do. OrientDB uses a new indexing algorithm called MVRB-Tree, derived from the Red-Black Tree and from the B+Tree with benefits of both: fast insertion and ultra fast lookup. [Less]

402K lines of code

27 current contributors

6 months since last commit

22 users on Open Hub

Activity Not Available
5.0
 
I Use This

Neo4j - the graph database

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  Analyzed 13 days ago

Neo4j is a graph database. It is an embedded, disk-based, fully transactional Java persistence engine that stores data structured in graphs rather than in tables. A graph (mathematical lingo for a network) is a flexible data structure that allows a more agile and rapid style of development.

883K lines of code

38 current contributors

about 1 month since last commit

20 users on Open Hub

Moderate Activity
4.71429
   
I Use This
Licenses: AGPL-3.0, GPL-3.0+

Raven DB

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  Analyzed 14 days ago

Raven is an Open Source (with a commercial option) document database for the .NET/Windows platform. Raven offers a flexible data model design to fit the needs of real world systems. Raven stores schema-less JSON documents, allow you to define indexes using Linq queries and focus on low latency and high performance.

1.04M lines of code

34 current contributors

16 days since last commit

14 users on Open Hub

Moderate Activity
5.0
 
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SOCI

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  Analyzed 15 days ago

The database access library for C++ programmers that provides the illusion of embedding SQL in regular C++ code, staying entirely within the C++ standard.

49.4K lines of code

15 current contributors

about 2 months since last commit

9 users on Open Hub

Moderate Activity
5.0
 
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