Open Source C Database Software - Page 2

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
    pgactive

    pgactive

    PostgreSQL replication extension to create an active-active database

    pgactive is an open-source extension for PostgreSQL that enables active-active replication across multiple database instances—meaning each node can accept writes and replicate changes to other nodes. Traditionally PostgreSQL supports active-standby setups (single writable master), but pgactive opens up use cases such as multi-region high-availability clusters, low-latency writes from distributed apps, and blue/green migrations where both sides are writable. It builds on PostgreSQL’s logical replication framework and offers mechanisms for conflict detection, resolution (e.g., last-write-wins), monitoring of lag and writes across nodes. Because active-active replication introduces new complexity (conflicts, schema changes, write amplification), pgactive provides tools for managing replication sets, conflict logging tables, and administrative commands to detach nodes or remove the extension.
    Downloads: 9 This Week
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  • 2
    FTLDNS

    FTLDNS

    The Pi-hole FTL engine

    Network-wide ad blocking via your own Linux hardware. FTLDNS (pihole-FTL) provides an interactive API and also generates statistics for Pi-hole®'s Web interface. Fast, stats are read directly from memory by coupling our codebase closely with dnsmasq. Versatile, upstream changes to dnsmasq can quickly be merged in without much conflict. Lightweight, runs smoothly with minimal hardware and software requirements such as Raspberry Pi Zero. Interactive, our API can be used to interface with your projects. Insightful: stats normally reserved inside of dnsmasq are made available so you can see what's really happening on your network. Network-level blocking allows you to block ads in non-traditional places such as mobile apps and smart TVs, regardless of hardware or OS.
    Downloads: 7 This Week
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  • 3
    MongoDB C Driver

    MongoDB C Driver

    The Official MongoDB driver for C language

    The MongoDB C Driver is the official client library for MongoDB, enabling C and C++ applications to interact with MongoDB databases efficiently. It provides a robust and scalable interface for building applications that require document-based data storage.
    Downloads: 7 This Week
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  • 4

    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: 30 This Week
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  • 5
    Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
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    Downloads: 162 This Week
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  • 6
    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: 6 This Week
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  • 7
    RedisGraph

    RedisGraph

    A graph database as a Redis module

    A high-performance graph database module for Redis that enables fast graph processing and analytics using a query engine based on Cypher.
    Downloads: 6 This Week
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  • 8
    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: 6 This Week
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  • 9
    Citus

    Citus

    Distributed PostgreSQL as an extension

    Citus is a PostgreSQL extension that transforms Postgres into a distributed database, so you can achieve high performance at any scale. With Citus, you extend your PostgreSQL database with new superpowers. Distributed tables are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage and I/O capacity. References tables are replicated to all nodes for joins and foreign keys from distributed tables and maximum read performance. Distributed query engine routes and parallelizes SELECT, DML, and other operations on distributed tables across the cluster. Columnar storage compresses data, speeds up scans, and supports fast projections, both on regular and distributed tables. You can use these Citus superpowers to make your Postgres database scale-out ready on a single Citus node.
    Downloads: 5 This Week
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  • 10
    EJDB

    EJDB

    Embeddable JSON Database engine C library

    EJDB 2.0, Embeddable JSON Database engine C library. Simple XPath like query language (JQL). Websockets / Android / iOS / React Native / Flutter / Java / Dart / Node.js bindings. Docker image. Array elements are matched from start to end. In equal arrays all values at the same index should be equal. Lexicographically sort object keys in both maps. Do matching keys and its values starting from the lowest key. Database index can be build for any JSON field path containing values of number or string type. All documents in collection are sorted by their primary key in descending order. So if you use auto generated keys (ejdb_put_new) you may be sure what documents fetched as result of full scan query will be ordered according to the time of insertion in descendant order, unless you don't use query sorting, indexes or inverse keyword.
    Downloads: 5 This Week
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  • 11
    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: 5 This Week
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  • 12
    Qihoo360 Atlas

    Qihoo360 Atlas

    A high-performance and stable proxy for MySQL

    Atlas is a MySQL protocol-based database middleware project developed and maintained by the infrastructure team of the Web platform Department in QIHU 360 SOFTWARE CO. LIMITED(NYSE:QIHU). It fixed lots of bugs and added lot of new functions on the basis of MySQL-Proxy 0.8.2. Currently, the project has been widely applied in QIHU, many MySQL businesses has connected to the Atlas platform. The number of read and write requests forwarded by Atlas has reached billions. Rewrite all lua code with C, Lua is only used for the management interface. Rewrite the network model and the threading model. Optimize the locking mechanism, performance improved immensely. When Atlas start, it will create multiple threads. One of them is the main thread, the others are working threads. The main thread is responsible for monitoring the connecting requests from clients, and the working thread only monitor the command request from the main thread.
    Downloads: 4 This Week
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  • 13
    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.
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    Downloads: 20 This Week
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  • 14
    SQLite.org took over this project in 2010
    Downloads: 17 This Week
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  • 15
    GTK DBF Editor
    A simple editor for dbf files. The editor is built with GTK+, making it available on a number of platforms, including Linux and Windows.
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    Downloads: 33 This Week
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  • 16
    The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
    Downloads: 19 This Week
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  • 17
    Scidb

    Scidb

    Chess Database Application

    Scidb is an open-source chess database application for Windows, Unix/Linux. It is a new development inspired by Scid.
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    Downloads: 18 This Week
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  • 18
    IndigoSCADA
    Open source SCADA running on Windows and Linux/WINE. Development environment ANSI C/C++98. HMI is based on Qt library. Different technologies (EiC, GigaBASE, FastDB, ORTE) have been integrated. Supported drivers: OPC DA 2.05a, AE 1.10, HDA 1.20, XML DA 1.0, OPC UA 1.03, DNP 3.0, Modbus TCP/RTU, MQTT 3.1.1/Sparkplug B, IEC 60870-5-101/103/104, IEC 62056 DLMS/COSEM, IEC 61850, M-BUS, SNMP, Ethernet/IP, FINS/TCP.
    Downloads: 22 This Week
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  • 19
    IOWOW

    IOWOW

    A C utility library and persistent key/value storage engine

    IOWOW is a lightweight, high-performance key-value store and data storage library written in C, designed for use in embedded systems and high-speed applications that require efficient file-based storage.
    Downloads: 3 This Week
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  • 20
    PipelineDB

    PipelineDB

    High-performance time-series aggregation for PostgreSQL

    PipelineDB is a PostgreSQL extension for continuous aggregation and stream processing. It allows users to define continuous queries that automatically process incoming data streams, storing results in materialized views. Designed for real-time analytics, PipelineDB extends PostgreSQL with stream-oriented features while maintaining compatibility with standard SQL and tooling.
    Downloads: 3 This Week
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  • 21
    pspg

    pspg

    Unix pager (with rich functionality) designed for work with tables

    pspg is a Unix pager designed for working with tabular data, particularly from PostgreSQL, but also supports other databases like MySQL.
    Downloads: 3 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: 19 This Week
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  • 23
    The libdbi-drivers project maintains drivers for the libdbi database abstraction layer written in C. Drivers are distributed seperately from the library itself.
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    Downloads: 69 This Week
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  • 24
    A PostgreSQL Interface for Tcl

    A PostgreSQL Interface for Tcl

    A Tcl interface to PostgreSQL databases, using PostgreSQL libpq

    pgtclng (PostgreSQL Tcl Next-Generation) is a loadable Tcl module for accessing PostgreSQL databases. It was forked from pgtcl in Feb 2004, moved to pgfoundy.org in Aug 2006 and to Sourceforge.net in Mar 2011. Its API is a superset of the pure-Tcl companion project pgintcl.
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    Downloads: 65 This Week
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  • 25
    sqlmap
    sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers.
    Downloads: 11 This Week
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