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PostgreSQL Database Server

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  Analyzed about 7 hours 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]

1.23M lines of code

27 current contributors

about 19 hours since last commit

2,106 users on Open Hub

Very High Activity
4.63686
   
5 Reviews
I Use This
Mostly written in C
Licenses: postgresql
Tags acid clustering database database_server dbi dbms engine gis jdbc odbc posix postgres 8 more...

Firebird

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  Analyzed 1 day 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]

1.36M lines of code

29 current contributors

4 days since last commit

107 users on Open Hub

High Activity
4.56522
   
1 Review
I Use This
Mostly written in C++
Licenses: Initial_D..., InterBase...
Tags acid c c++ cplusplus database database_server dbms embedded engine firebird ibsurgeon interbase 15 more...

OpenLink Virtuoso (Open-Source Edition)

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  Analyzed about 13 hours ago

Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.

2.44M lines of code

9 current contributors

8 days since last commit

19 users on Open Hub

Moderate Activity
4.81818
   
0 Reviews
I Use This
Mostly written in C
Licenses: GPL2
Tags acid database databases database_server graphdb jdbc odbc openlink rdbms relational sparql sparqlendpoint 6 more...

Raven DB

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  Analyzed 2 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.

881K lines of code

39 current contributors

over 3 years since last commit

14 users on Open Hub

Inactive
5.0
 
0 Reviews
I Use This
Mostly written in C#
Licenses: No declared licenses
Tags acid c# csharp database db dbms document-oriented dotnet non-relational nosql transactions

voltdb

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  Analyzed about 1 month ago

VoltDB - Fast, scalable, open-source OLTP SQL database with ACID is an alternative to NoSQL key-value stores and database sharding.

3.36M lines of code

37 current contributors

over 1 year since last commit

4 users on Open Hub

Activity Not Available
0.0
 
0 Reviews
I Use This
Mostly written in C++
Licenses: gpl3
Tags acid clustering engine linux newsql oltp rdbms relational server sql

infinidb

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  No analysis available

0 lines of code

0 current contributors

0 since last commit

1 users on Open Hub

Activity Not Available
0.0
 
0 Reviews
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Mostly written in language not available
Licenses: No declared licenses
Tags acid column database db mysql nosql

openHistorian

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Claimed by Grid Protection Alliance (GPA) Analyzed about 15 hours ago

An application for collecting, archiving, retrieving and displaying time-series event data in real-time from multiple data sources.

1.27M lines of code

6 current contributors

13 days since last commit

1 users on Open Hub

Moderate Activity
0.0
 
0 Reviews
I Use This
Mostly written in C#
Licenses: mit
Tags acid archiving bigdata binarytree controlcenter datacollection datacompression datastorage fault_tolerant highspeed historian journaling 8 more...

lmdb++

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  Analyzed 1 day ago

This is a comprehensive C++ wrapper for the LMDB embedded database library, offering both an error-checked procedural interface and an object-oriented resource interface with RAII semantics. • Designed to be entirely self-contained as a single header file that can be dropped into a project. • ... [More] Implements a straightforward mapping from C to C++, with consistent naming. • Simplifies error handling by translating error codes into C++ exceptions. • Carefully differentiates logic errors, runtime errors, and fatal errors. • Exception strings include the name of the LMDB function that failed. • Plays nice with others: all symbols are placed into the lmdb namespace. • 100% free and unencumbered public domain software. [Less]

1.14K lines of code

0 current contributors

over 8 years since last commit

1 users on Open Hub

Inactive
5.0
 
0 Reviews
I Use This
Mostly written in C++
Licenses: Public_do..., unlicense
Tags acid b+tree c++ c++11 c++14 database indexing key_value lmdb mmap mvcc

spliceengine

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  Analyzed about 15 hours ago

The SpliceSQL Engine

977K lines of code

22 current contributors

over 3 years since last commit

1 users on Open Hub

Inactive
0.0
 
0 Reviews
I Use This
Mostly written in Java
Licenses: AGPL3_or_...
Tags acid bigdata distributed HTAP java plsql rdbms

DuroDBMS

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  Analyzed 1 day ago

A non-SQL, truly relational database management system and programming language, based on the principles laid down in the book "Foundation for Future Database Systems: The Third Manifesto" by C. J. Date and Hugh Darwen.

75.6K lines of code

1 current contributors

over 4 years since last commit

0 users on Open Hub

Inactive
0.0
 
0 Reviews
I Use This
Mostly written in C
Licenses: lgpv3_or_...
Tags acid c database dbms linux rdbms relational transactions windows