Open Source C Database Engines/Servers

libdbi implements a database-independent abstraction layer in C, similar to the DBI/DBD layer in Perl. Writing one generic set of code, programmers can leverage the power of multiple DBs and multiple simultaneous DB connections by using this framework.

Uniform Server is a free lightweight WAMP server solution for Windows. Build using a modular design approach, it includes the latest versions of Apache, MySQL or MariaDB, PHP (with version switching), phpMyAdmin or Adminer. No installation required! No registry dust! Just unpack and fire up! ------- Note: The latest version of Uniform Server requires a **64-bit version** of Windows. -------

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

SQLite.org took over this project in 2010

GT.M[tm] is a vetted industrial strength, transaction processing application platform consisting of a key-value database engine optimized for extreme transaction processing throughput & business continuity.

A set of libraries and utilities for reading Microsoft Access database (MDB) files. THIS PROJECT HAS MOVED TO GITHUB: https://github.com/mdbtools/mdbtools

The libdbi-drivers project maintains drivers for the libdbi database abstraction layer written in C. Drivers are distributed seperately from the library itself.

RedBlack balance tree searching and sorting library

The Malete database core is the new basis of OpenIsis, which has its roots in the UNESCO CDS/ISIS database. Traditionaly used in libraries; now a general purpose highspeed database.

Tokyo Cabinet is the successor of QDBM, a high performance database library similar to the DBM family. It also supports hash and B-tree databases and does not require any server process. The overall speed is improved compared to QDBM.

Implementation of ANSI Standard MUMPS 1995 and ISO/IEC 11756 for FreeBSD, OSX and linux. Also on the Raspberry Pi (ARM) under debian and Windows under cygwin. This is the post-relational database.

Object-Relational Main-Memory Embedded Database system tightly integrated with C++ language. Use OS virtual mapping mechanism to access data. Provides subset of SQL language with OO extensions. Support of transactions, fault tolerance, replication.

From pg_statsinfo 14, pg_statsinfo and pg_stats_reporter have moved to Github. See Github for information on later versions. See Sourceforge for information on pg_statsinfo 13 and earlier. pg_statsinfo : https://github.com/ossc-db/pg_statsinfo pg_stats_reporter : https://github.com/ossc-db/pg_stats_reporter ------- pg_statsinfo is a utility that monitors statistics and activities of PostgreSQL. pg_statsinfo is easily installed then periodically stores snapshots, which consists of activity information of PostgreSQL server and some information about system resources, into repository. These snapshots are visually examined using pg_stats_reporter, dedicated web-based visualization tool for pg_statsinfo. The tools make health checking or activity analysis of server easier for PostgreSQL DBAs. ------- pg_statsinfo project has been moved here from pg_foundry.

LifeLines is a genealogy program to help with your family history research. Its primarily strengths are its powerful scripting language and the ability easily import and export information in the GEDCOM format.

A free simple ADO.NET compliant MySQL driver. Made in C# but it would be used in all .NET compatible languages.

DataDraw is a feature rich database generator for high performance C applications. DataDraw gives your C application a high performance object-oriented framework at speeds that beat hand coded C.

Sqlcached is a memory cache daemon, inspired by memcached, but offering more granular control by using SQL interface instead of key-value pairs.

Sedna is a free native XML database which provides a full range of core database services - persistent storage, ACID transactions, security, indices, hot backup. Flexible XML processing facilities include W3C XQuery implementation, tight integration of XQuery with full-text search facilities and a node-level update language.

Leto is a multiplatform database server or a database management system, chiefly intended for client programs, written on Harbour, be able to work with dbf/cdx files, located on a remote server.

ConceptBase.cc is a multi-user deductive and object-oriented database system for metamodeling and method engineering. Includes a graphical client that builds upon the logic-based features of the ConceptBase.cc server. The data model is O-Telos. ConceptBase.cc can represent information at the data level (example data, traces of process executions etc.), the class level (schemas, process definitions etc.), the metaclass level (constructs of modeling languages), the meta-metaclass level (constructs for defining modeling languages), and so forth. ConceptBase.cc is developed by the ConceptBase Team at University of Skövde (HIS). ConceptBase.cc supports Linux, Mac OS X and Windows. ConceptBase.cc is free software distributed under a FreeBSD-style license.

Postgres-XC is a write-scalable synchronous multi-master PostgreSQL cluster with the following features. 1) Both read and write scalability. 2) Configured with more than one server. 3) Complete global transaction and visibility management.

An Integrated Development Environment (IDE) for the ESI Objects language (object-oriented MUMPS) that works on linux and, eventually, other UNIX-like Operating Systems.

solidDB for MySQL is an open source relational database management system (RDBMS) that consists of MySQL Server and solidDB Storage Engine for MySQL. Project has morphed into a fully pluggable storage engine for MySQL 5.5 and later. Follow us on Facebook via the SolidDB MySQL Storage Engine page!

Dataman is a fully multi-threaded database server and client API libraries in C, C++, Java, and a PHP module has now been added as well. This is a 'direct access' database, not a relational one. It emulates the verbs of the EDITOR language.