Showing 28 open source projects for "c-free"

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  • 1
    DBeaver

    DBeaver

    Free universal database tool

    DBeaver is a free, multi-platform database tool that supports any database having a JDBC driver. It is useful for developers, SQL programmers, database administrators and analysts. DBeaver comes with plenty of great features such as metadata and SQL editors, ERD, data export/import/migration and more. Plugins are available for certain databases, and there are also several database management utilities.
    Downloads: 108 This Week
    Last Update:
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  • 2
    SQL Notebook

    SQL Notebook

    SQL Notebook — Casual data exploration in SQL

    SQL Notebook is a free Windows application for querying and analyzing data across multiple sources, including SQLite, PostgreSQL, Excel, and CSV files. It combines a SQL editor with a notebook interface, allowing for data exploration, transformation, and visualization in one place. SQL Notebook is ideal for analysts and data enthusiasts.
    Downloads: 4 This Week
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  • 3
    chDB

    chDB

    chDB is an in-process OLAP SQL Engine

    chDB is an in-process SQL OLAP Engine powered by ClickHouse. It is developed by ClickHouse, Inc and open-source contributors.
    Downloads: 2 This Week
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  • 4
    SQL Explorer

    SQL Explorer

    Easily share data across your company via SQL queries

    SQL Explorer aims to make the flow of data between people fast, simple, and confusion-free. It is a Django-based application that you can add to an existing Django site, or use as a standalone business intelligence tool. Quickly write and share SQL queries in a simple, usable SQL editor, preview the results in the browser, share links, download CSV, JSON, or Excel files (and even expose queries as API endpoints, if desired), and keep the information flowing!
    Downloads: 3 This Week
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  • 5
    PgAgroal

    PgAgroal

    High-performance connection pool for PostgreSQL

    pgagroal is a high-performance PostgreSQL connection pooler written in C, designed for minimal latency and efficient resource usage. It provides features like secure authentication, hot reloading, and support for multiple databases, making it suitable for low-latency applications and microservice architectures. pgagroal is optimized for fast startup, low overhead, and easy integration.
    Downloads: 1 This Week
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  • 6
    SqlKata QueryBuilder

    SqlKata QueryBuilder

    SQL query builder, written in c#, helps you build complex queries

    SqlKata is a powerful and elegant SQL query builder for .NET that provides a fluent, expressive syntax to construct complex SQL queries programmatically. It supports multiple database engines and can compile queries to raw SQL with parameters, making it easy to integrate with Dapper or ADO.NET. SqlKata emphasizes flexibility and readability, enabling developers to write maintainable and reusable query logic.
    Downloads: 1 This Week
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  • 7
    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: 2 This Week
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  • 8
    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: 1 This Week
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  • 9
    PLpgSQL Check

    PLpgSQL Check

    plpgsql_check is a linter tool (does source code static analyze)

    plpgsql_check is a PostgreSQL extension for static analysis and runtime checking of PL/pgSQL functions. It helps developers catch bugs early by analyzing code structure, variable usage, and SQL correctness before execution. The extension is ideal for improving code quality in large Postgres-based applications.
    Downloads: 0 This Week
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  • 10
    Apache AGE

    Apache AGE

    Graph database optimized for fast analysis

    Apache AGE (A Graph Extension) is a PostgreSQL extension that adds support for graph database functionality using the openCypher query language. AGE allows users to store and query graph-structured data alongside traditional relational data in a single database. Built for performance and scalability, it brings the power of graph queries to the robustness of PostgreSQL, making it suitable for use cases like social networks, recommendation systems, and fraud detection.
    Downloads: 0 This Week
    Last Update:
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  • 11
    jookdb

    jookdb

    Free Multi-platform database tool

    JookDB is a database development tool that allows you to simultaneously connect to MySQL, MariaDB, Oracle, PostgreSQL, SQLite, MongoDB,Redis, DM, OceanBase, TiDB and SQLServer databases from a single application. You can quickly and easily build, manage and maintain your databases.
    Downloads: 8 This Week
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  • 12
    DB Explorer

    DB Explorer

    The modern AI‑first database client for developers DBAs and analyst

    DB Explorer is a free, cross-platform database query tool and schema explorer built for developers, DBAs, and data analysts. It provides a clean graphical interface for connecting to multiple database systems, writing and executing SQL, exploring schemas, monitoring database health, and generating SQL queries using AI — all from a single application.
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    Downloads: 16 This Week
    Last Update:
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  • 13
    The Black Toolkit

    The Black Toolkit

    RAD Tool and IDE for PHP, JSP, ASP, C++ and Java Swing

    ...You can put your libraries, like jQuery. The generated code works with all browsers. You can create and debug Applets or Java Swing applications easily with the Visual Editor of the tool. Build C++ applications.
    Downloads: 1 This Week
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  • 14

    NCURSES Derby

    Horse racing simulation

    Now with sqlite3 data storage of racing statistics. A horse racing game programmed with NCURSES and using the menu library. Has a betting window where you choose horse and finish. Simulation is with keyboard characters (~/^\^) to simulate the horses. After the race a results screen can be shown that shows winners and payoff amounts.
    Downloads: 0 This Week
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  • 15
    Sample sqlite database and csv files
    Just use the portable copy of the free sqlitebrowser program, available here : https://sqlitebrowser.org/dl/ to open and test the sample db, that I have given as a download here ( after extracting the zip file ) . Also, I have enclosed, the csv files, that I have used for importing and exporting, from the file menu of the program. Also, watch the video below, for a quick start.
    Downloads: 11 This Week
    Last Update:
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  • 16
    Evolve

    Evolve

    Database migration tool for .NET and .NET Core projects

    Evolve is a lightweight database migration tool for .NET applications, compatible with PostgreSQL, MySQL, SQLite, and SQL Server. Designed with simplicity and speed in mind, it runs SQL scripts in order and tracks their history to keep database schema consistent. Evolve integrates easily with .NET projects for version-controlled schema updates.
    Downloads: 2 This Week
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  • 17

    dbsql++

    Generic C++ SQL wrapper over different SQL DB engines.

    Generic C++ SQL client wrapper over different SQL DB engines. Using a unified interface, it currently supports MySQL/MariaDB, ODBC, PostgreSQL and SQLite.
    Downloads: 2 This Week
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  • 18
    sqlsmith

    sqlsmith

    A random SQL query generator

    SQLSmith is a fuzz testing tool for PostgreSQL that automatically generates random SQL queries to uncover bugs in the query planner and executor. It is widely used by PostgreSQL developers and database vendors to stress-test SQL features and engine behavior under edge-case conditions. SQLSmith helps improve database robustness by revealing unexpected failures.
    Downloads: 0 This Week
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  • 19
    Poli

    Poli

    An easy-to-use BI server built for SQL lovers. Power data analysis

    ...Pixel-perfect positioning + Drag'n'Drop support to customize the reports and charts in your own way. Utilize the power of dynamic SQL with query variables to connect Filters and Charts. Capture the snapshot of historical data. Free up space in your own database. Three system level role configurations + Group based report access control. Custom the language pack and translations just for your audience. Auto refresh, drill through, fullscreen, embeds, color themes + more features in development.
    Downloads: 0 This Week
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  • 20
    TOra is a Toolkit for Oracle which aims to help the DBA or developer of database applications. Features PL/SQL debugger, SQL worksheet with syntax highlighting, DB browser and a full set of DBA tools. TOra also includes support for MySQL and Postgres.
    Leader badge
    Downloads: 229 This Week
    Last Update:
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  • 21
    CStore FDW

    CStore FDW

    Columnar storage extension for Postgres

    cstore_fdw is a columnar store extension for PostgreSQL built by Citus Data using the Foreign Data Wrapper (FDW) interface. It stores data in a compressed, columnar format that significantly reduces disk I/O for analytical queries. Ideal for read-heavy workloads and time-series data, cstore_fdw enhances Postgres’ ability to serve as a lightweight data warehouse.
    Downloads: 0 This Week
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  • 22
    Some experimental SQL client generation code for building client packages and other various half completed trials - (mostly around databases, particular Firebird).
    Downloads: 0 This Week
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  • 23
    DbMaster

    DbMaster

    Universal SQL tool

    DbMaster is an end-user software to manage DBMS. It includes queries and tables editor and plans for many mores functionalities.
    Downloads: 6 This Week
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  • 24
    SQL Data Studio

    SQL Data Studio

    SQL explorer

    SQL explorer. Supported SQL egnines: - SQLite - Sybase ASE - Microsoft SQL Server - MySQL - Cubrid Linux/Mac versions comming soon
    Downloads: 2 This Week
    Last Update:
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  • 25
    A small .NET application that allows you to connect to the Microsoft Access database files (*. mdb) and execute SQL-queries to them. More information in russian can be fount here - http://2lx.ru/2009/02/mdb-sql-client/
    Downloads: 0 This Week
    Last Update:
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