Tags : Browse Projects

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MySQL

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  Analyzed 3 days ago

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

3.93M lines of code

143 current contributors

3 months since last commit

9,457 users on Open Hub

High Activity
4.30288
   
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PostgreSQL Database Server

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  Analyzed 1 day 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]

1.2M lines of code

27 current contributors

3 days since last commit

2,104 users on Open Hub

Very High Activity
4.63686
   
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HyperSQL Database Engine

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  Analyzed about 24 hours 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]

252K lines of code

0 current contributors

5 days since last commit

216 users on Open Hub

Very Low Activity
4.04651
   
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MariaDB

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  Analyzed 4 days ago

MariaDB is one of the most popular database servers in the world. It’s made by the original developers of MySQL and guaranteed to stay open source.

3.77M lines of code

100 current contributors

6 days since last commit

155 users on Open Hub

Very High Activity
4.53846
   
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Apache CouchDB

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Claimed by Apache Software Foundation Analyzed 2 months 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.

124K lines of code

63 current contributors

6 months since last commit

119 users on Open Hub

Activity Not Available
4.75676
   
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Cassandra

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Claimed by Apache Software Foundation Analyzed 4 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]

771K lines of code

0 current contributors

about 1 month since last commit

53 users on Open Hub

Very High Activity
4.0
   
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Midgard

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  No analysis available

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]

0 lines of code

0 current contributors

0 since last commit

15 users on Open Hub

Activity Not Available
4.0
   
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Mostly written in language not available
Licenses: lgpl

Slony-I

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  Analyzed about 18 hours 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]

68.3K lines of code

2 current contributors

over 1 year since last commit

11 users on Open Hub

Very Low Activity
3.0
   
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JGroups

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  Analyzed 1 minute ago

JGroups is a toolkit for reliable multicast communication. (Note that this doesn't necessarily mean IP Multicast, JGroups can also use transports such as TCP). It can be used to create groups of processes whose members can send messages to each other. The main features include * Group ... [More] creation and deletion. Group members can be spread across LANs or WANs * Joining and leaving of groups * Membership detection and notification about joined/left/crashed members * Detection and removal of crashed members * Sending and receiving of member-to-group messages (point-to-multipoint) * Sending and receiving of member-to-member messages (point-to-point) [Less]

129K lines of code

13 current contributors

5 days since last commit

10 users on Open Hub

Moderate Activity
4.75
   
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Pgpool

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  Analyzed about 13 hours ago

pgpool is a connection pool server for PostgreSQL. pgpool runs between PostgreSQL's clients(front ends) and servers(back ends). A PostgreSQL client can connect to pgpool as if it were a standard PostgreSQL server. pgpool supports replication, failover, switchover, load balancing. pgpool-II is ... [More] the new generation of pgpool. It supports any number of nodes, query splitting, recovery, and new administrative commands. pgpool-ha is a set of heartbeat scripts for pgpool. pgpoolAdmin is a web administration interface for pgpool-I and pgpool-II. [Less]

169K lines of code

5 current contributors

1 day since last commit

9 users on Open Hub

Moderate Activity
5.0
 
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