C Database Software

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Browse free open source C Database Software and projects below. Use the toggles on the left to filter open source C Database Software by OS, license, language, programming language, and project status.

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  • 1
    Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.
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    Downloads: 12,064 This Week
    Last Update:
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  • 2
    Redis for Windows

    Redis for Windows

    Native port of Redis for Windows

    Native port of Redis for Windows. Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported, Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs. This repository contains an unofficial port of Redis to Windows. At the moment win-4.0.14 branch provides a stable port of Redis 4.0.14 for Windows x64 and win-5.0 branch provides a stable port of Redis 5.0.14 for Windows x64, both merged with archived port of win-3.2.100 version from MS Open Tech team. Redis is an open-source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. Redis provides data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes, and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions, etc.
    Downloads: 217 This Week
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  • 3
    Uniform Server

    Uniform Server

    A free lightweight Windows Apache MySQL and PHP Server Solution.

    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. -------
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    Downloads: 872 This Week
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  • 4
    Scid vs. PC

    Scid vs. PC

    Chess Database and Toolkit program

    "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.
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    Downloads: 692 This Week
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  • 5
    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.
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    Downloads: 3,488 This Week
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  • 6
    TimescaleDB

    TimescaleDB

    An open-source time-series SQL database optimized for fast ingest

    TimescaleDB is the open-source relational database for time-series and analytics. Build powerful data-intensive applications. Become instantly productive with full SQL. Rely on the same PostgreSQL you know, love, and trust. Hyperfunctions make time series easier. Achieve 10-100x faster queries than with vanilla PostgreSQL, InfluxDB, MongoDB. Write millions of data points per second per node. Horizontally scale to petabytes. Don’t worry about cardinality. Simplify your stack, ask more complex questions, and build more powerful applications. Don’t break the bank. 94-97% compression rates from best-in-class algorithms. Downsample + retention policies. Decouple compute and storage. You’re in trusted hands. Fully-managed TimescaleDB on AWS, Azure, or GCP in just one click. Top-rated support and ops available 24/7 worldwide. A modern, cloud-native relational database platform for time-series data based on TimescaleDB and PostgreSQL.
    Downloads: 68 This Week
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  • 7
    Redis

    Redis

    An in-memory database that persists on disk

    Redis is an open-source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. Redis provides data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes, and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions, and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster. You can run atomic operations on these types, like appending to a string; incrementing the value in a hash; pushing an element to a list; computing set intersection, union and difference; or getting the member with highest ranking in a sorted set. To achieve top performance, Redis works with an in-memory dataset. Depending on your use case, you can persist your data either by periodically dumping the dataset to disk or by appending each command to a disk-based log.
    Downloads: 39 This Week
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  • 8
    IvorySQL

    IvorySQL

    Open Source Oracle Compatible PostgreSQL

    IvorySQL is an open-source PostgreSQL-compatible database that extends core Postgres with Oracle compatibility features. It adds support for PL/SQL, Oracle-style functions, and procedural syntax, making it easier for teams migrating Oracle workloads to open-source environments. IvorySQL retains PostgreSQL's performance and ecosystem while broadening compatibility.
    Downloads: 35 This Week
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  • 9
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is the leading open-source platform for visualization and observability. It enables teams to query, visualize, alert on, and explore telemetry data from multiple sources in a single interface. With support for 100+ data source plugins—including Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, and OpenTelemetry—Grafana helps teams correlate metrics, logs, and traces across applications and infrastructure. Users can build interactive dashboards with rich visualizations, template variables, and reusable panels to monitor systems and troubleshoot issues in real time. Grafana includes capabilities such as ad hoc data exploration, alerting, annotations, and flexible query support. Its extensible plugin ecosystem integrates with cloud platforms, databases, and developer tools—allowing teams to build observability workflows without vendor lock-in. The easiest way to get started with Grafana is with Grafana Cloud, our fully managed, full-stack observability platform.
    Downloads: 33 This Week
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  • 10
    Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.
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    Downloads: 137 This Week
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  • 11
    HDF5

    HDF5

    Official HDF5® Library Repository

    HDF5 (Hierarchical Data Format v5) is a widely-used data management library and file format for storing large and complex scientific data sets efficiently.
    Downloads: 22 This Week
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  • 12
    Greenplum Database

    Greenplum Database

    Massive parallel data platform for analytics, machine learning and AI

    Rapidly create and deploy models for complex applications in cybersecurity, predictive maintenance, risk management, fraud detection, and many other areas. With its unique cost-based query optimizer designed for large-scale data workloads, Greenplum scales interactive and batch-mode analytics to large datasets in the petabytes without degrading query performance and throughput. Based on PostgreSQL, Greenplum provides you with more control over the software you deploy, reducing vendor lock-in, and allowing open influence on product direction. Greenplum reduces data silos by providing you with a single, scale-out environment for converging analytic and operational workloads, like streaming ingestion. All major Greenplum contributions are part of the Greenplum Database project and share the same database core, including the MPP architecture, analytical interfaces, and security capabilities.
    Downloads: 17 This Week
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  • 13
    sysbench

    sysbench

    Scriptable database and system performance benchmark

    sysbench is a scriptable multi-threaded benchmark tool based on LuaJIT. It is most frequently used for database benchmarks, but can also be used to create arbitrarily complex workloads that do not involve a database server. extensive statistics about rate and latency is available, including latency percentiles and histograms. Low overhead even with thousands of concurrent threads. sysbench is capable of generating and tracking hundreds of millions of events per second. New benchmarks can be easily created by implementing pre-defined hooks in user-provided Lua scripts. Can be used as a general-purpose Lua interpreter as well, simply replace #!/usr/bin/lua with #!/usr/bin/sysbench in your script. Execute events for this many seconds with statistics disabled before the actual benchmark run with statistics enabled. This is useful when you want to exclude the initial period of a benchmark run from statistics.
    Downloads: 15 This Week
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  • 14
    ZhParser

    ZhParser

    PostgreSQL extension for full-text search of Chinese language

    zhparser is a PostgreSQL extension for full-text search of Chinese text. It integrates with PostgreSQL's text search engine to tokenize Chinese characters using a dictionary-based segmentation algorithm. zhparser is a valuable tool for improving search accuracy and performance in Chinese-language applications.
    Downloads: 12 This Week
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  • 15

    GT.M High end TP database engine

    Industrial Strength NoSQL Application Development Platform

    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.
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    Downloads: 56 This Week
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  • 16

    ISAM File handler

    ISAM file handler compatible with the leading commercial ISAM

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    Downloads: 64 This Week
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  • 17
    pgAudit

    pgAudit

    PostgreSQL Audit Extension

    pgaudit is a PostgreSQL extension that provides detailed session and object-level auditing to meet compliance and security requirements. It extends the standard PostgreSQL logging capabilities by capturing structured audit logs for activities such as DML, DDL, and role changes. Designed for environments that require traceability, pgaudit makes it easier to track who did what, when, and where in a database.
    Downloads: 8 This Week
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  • 18

    MySQL for Python

    MySQL database connector for Python programming

    MySQLdb is a Python DB API-2.0-compliant interface; see PEP-249 for details. For up-to-date versions of MySQLdb, use the homepage link. Supported versions: * MySQL versions from 3.23 to 5.5; 5.0 or newer recommended. MariaDB should also work. * Python versions 2.4-2.7; Python 3 support coming soon. ZMySQLDA is a Database Adapter for Zope2.
    Downloads: 34 This Week
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  • 19
    MyDumper

    MyDumper

    MyDumper project

    MyDumper is a MySQL Logical Backup Tool. It has 2 tools. mydumper which is responsible to export a consistent backup of MySQL databases. myloader reads the backup from mydumper, connects the to destination database and imports the backup. Both tools use multithreading capabilities. MyDumper is Open Source and maintained by the community, it is not a Percona, MariaDB or MySQL product. Parallelism (hence, speed) and performance (avoids expensive character set conversion routines, efficient code overall) Easier to manage output (separate files for tables, dump metadata, etc, easy to view/parse data) Consistency - maintains snapshot across all threads, provides accurate master and slave log positions, etc. Manageability - supports PCRE for specifying database and tables inclusions and exclusions.
    Downloads: 7 This Week
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  • 20
    The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
    Downloads: 30 This Week
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  • 21
    sqlite-vec

    sqlite-vec

    A vector search SQLite extension that runs anywhere

    A vector search SQLite extension that runs anywhere.
    Downloads: 5 This Week
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  • 22
    A set of libraries and utilities for reading Microsoft Access database (MDB) files. THIS PROJECT HAS MOVED TO GITHUB: https://github.com/mdbtools/mdbtools
    Downloads: 29 This Week
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  • 23
    An open-source ODBC driver manager and SDK that facilitates the development of database-independent applications on linux, freebsd, unix and MacOS X platforms.
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    Downloads: 117 This Week
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  • 24
    repmgr

    repmgr

    A lightweight replication manager for PostgreSQL (Postgres)

    repmgr is a management tool for PostgreSQL replication, providing monitoring, failover, and administrative capabilities for streaming replication setups. It simplifies the configuration of primary/standby clusters and automates failover processes for high availability. repmgr is widely used in production environments where database resilience and minimal downtime are critical.
    Downloads: 4 This Week
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  • 25

    MUMPS Database and Language

    ANSI Standard MUMPS

    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.
    Downloads: 30 This Week
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