Tags : Browse Projects

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  Analyzed 7 days ago

MySQL, the most popular Open Source SQL database management system, is developed, distributed, and supported by Oracle Corporation.

2.86M lines of code

109 current contributors

7 months since last commit

9,147 users on Open Hub

High Activity
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PostgreSQL Database Server


  Analyzed 4 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]

877K lines of code

21 current contributors

5 days since last commit

2,041 users on Open Hub

Very High Activity
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Claimed by MongoDB Analyzed 4 days ago

MongoDB is a high-performance, open source, schema-free document-oriented data store that's easy to deploy, manage and use. It's network accessible, written in C++ and offers the following features : * Full index support, including on inner objects * Query profiling * Replication ... [More] and fail-over support * Efficient storage of binary data including large objects (e.g. videos) * Auto-sharding for cloud-level scalability (Q209) High performance, scalability, and reasonable depth of functionality are the goals for the project. Deep transaction support is not a goal of the system. [Less]

1.15M lines of code

108 current contributors

10 days since last commit

392 users on Open Hub

Very High Activity
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HyperSQL Database Engine


  Analyzed 11 days 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

about 1 month since last commit

221 users on Open Hub

Moderate Activity
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Apache CouchDB


Claimed by Apache Software Foundation Analyzed 2 days ago

CouchDb is a distributed document database system with bi-directional replication. It makes it simple to build collaborative applications that can be replicated offline by users, with full interactivity (query, add, update, delete), and later "synced up" with everyone else's changes when back online.

165K lines of code

69 current contributors

3 days since last commit

119 users on Open Hub

High Activity
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Claimed by Apache Software Foundation Analyzed 15 days ago

Cassandra is a highly scalable, eventually consistent, distributed, structured key-value store. Cassandra brings together the distributed systems technologies from Dynamo and the data model from Google's BigTable. Like Dynamo, Cassandra is eventually consistent. Like BigTable, Cassandra provides a ... [More] ColumnFamily-based data model richer than typical key/value systems. Cassandra was open sourced by Facebook in 2008, where it was designed by one of the authors of Amazon's Dynamo. In a lot of ways you can think of Cassandra as Dynamo 2.0. Cassandra is in production use at Facebook but is still under heavy development. [Less]

328K lines of code

125 current contributors

16 days since last commit

51 users on Open Hub

Very High Activity
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  Analyzed about 2 years ago

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]

1M lines of code

0 current contributors

almost 4 years since last commit

44 users on Open Hub

Activity Not Available
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Ingres Database


  Analyzed 8 months 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

about 1 year since last commit

36 users on Open Hub

Activity Not Available
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  Analyzed about 1 year ago

Midgard is an Open Source persistent storage framework. It provides an object-oriented and replicated environment for building data-intensive applications. Midgard also ships with MidCOM content management system built on the Midgard framework. MidCOM's features include web-based authoring ... [More] WYSIWYG interfaces and a component interface for installing additional web functionalities. Midgard is built on the GNOME stack of libraries like GLib and libgda, and has language bindings for C, Python and PHP. Communications between applications written in the different languages happen over D-Bus. The CMS functionalities run on the LAMP (Linux, Apache, MySQL and PHP) platform. [Less]

1.08M lines of code

2 current contributors

about 1 year since last commit

15 users on Open Hub

Activity Not Available
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  Analyzed 14 days ago

Slony-I is a "master to multiple slaves" replication system supporting cascading and slave promotion. The big picture for the development of Slony-I is as a master-slave system that includes all features and capabilities needed to replicate large databases to a reasonably limited number of slave ... [More] systems. Reasonable, in this context, is probably no more than a few dozen servers. If the number of servers grows beyond that, the cost of communications becomes prohibitively high. [Less]

58.4K lines of code

4 current contributors

3 months since last commit

11 users on Open Hub

Very Low Activity
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