Open Source C Database Software

"Shane's Chess Information Database" is a huge chess toolkit with extensive database, analysis and chess-playing features. Scid vs. PC is a usability and bug-fix fork of Scid. It has many interface fixes and improvements, and is fully compatible with Scid's .si4 databases. New features include a rewritten Gamelist, Computer Tournament, and FICS, Tree, Book and Graph improvements.

Grafana Open Source is a leading open-source visualization and observability platform that lets you query, visualize, alert on, and explore your data—regardless of where it’s stored. With support for 100+ data source plugins (such as Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, OpenTelemetry, and more), you can unify metrics, logs, traces, and other observability signals in one place. Grafana OSS empowers you to build dynamic, reusable dashboards with rich visualizations, template variables, interactive filtering, and cross-panel linking. Its Explore mode enables ad-hoc queries and side-by-side comparisons of time ranges, queries, and data sources. Grafana also includes built-in alerting, allowing you to define threshold-based rules and send notifications to external systems (e.g. Slack, PagerDuty, OpsGenie). Backed by a strong community and open governance, Grafana OSS is free to use, modify, and deploy under the AGPL-3.0 license.

The MonetDB project has moved to http://www.monetdb.org/.

Sqsh (pronounced skwish) is short for SQshelL (pronounced s-q-shell), a replacement for the venerable 'isql' program supplied by Sybase.

Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).

ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.

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.

Cinemagoer is a Python package useful to retrieve and manage the data of the IMDb movie database about movies, people, characters and companies. Platform-independent, it can retrieve data from both the IMDb's web server and a local copy of the whole db.

The Datalog package contains a lightweight deductive database system. Queries and database updates are expressed using Datalog—a declarative logic language in which each formula is a function-free Horn clause, and every variable in the head of a clause must appear in the body of the clause. The use of Datalog syntax and an implementation based on tabling intermediate results, ensures that all queries terminate.

Redland is a set of object-based, modular and portable C RDF libraries providing RDF APIs for the graph, triple storage (librdf), RDF/XML parsing and serializing (Raptor), SPARQL RDF querying (Rasqal). Language APIs in Perl, PHP, Python, Ruby and others.

OCILIB is an open source and cross platform Oracle Driver that delivers efficient access to Oracle databases. It offers a full featured, easy and productive API. Written in ISO C and C++ on top of OCI, OCILIB runs on all Oracle platforms. NOTE : The project has moved to GitHub ! Website URL : http://www.ocilib.net GitHub URL : https://github.com/vrogier/ocilib

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.

A Python extension for the SQLite Embedded Relational Database.

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

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.

PLOB! (Persistent Lisp OBjects!) implements orthogonal persistency for LISP and CLOS objects.

CDTech is a CD/DVD file name archiver (indexing and calagoguing). It allows to retrieve quickly a given file in one or many CD or DVD. There is no limits in term of number of CD/DVD or files managed. CDTech uses a Mysql database.

Harbour MiniGUI is a xBase Windows Development System based on Harbour MiniGUI library, Harbour compiler and MingW compiler (www.hmgforum.com/site).

Atomatrix is a multithreaded execution system of atomic matrices with a dynamic compiler and a network eviron. It is the next generation object-orientated environment. XML, MUD-OO CLI, GnucDNA support, windows and many subprojects are built-in.

The cache-optimized concurrent skip list is a set of algorithms for maintaining dynamic ordered mappings. Top-down balancing algorithms minimize cache-misses while using a per-node read-write spinlock to coordinate shared access. Designed for Linux 2.4.

FGL is a tightly-integrated self-contained development & execution environment utilizing best-of-breed programming tools and methodologies, optimized web/application server, highly-scalable relational/object database, and robust extension interface.

Perl module for accessing FAME(R) database data.

LEAP is an RDBMS (Relational Database Management System) implementing the relational Algebra - a core part of relational database theory. It is primarily used as an educational tool, but has found some novel uses and applications.