Open Source Windows SQL Clients
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SQL Clients for Windows
View 37 business solutionsBrowse free open source SQL Clients and projects for Windows below. Use the toggles on the left to filter open source SQL Clients by OS, license, language, programming language, and project status.
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SQuirreL SQL Client
A Java SQL client for any JDBC compliant database
SQuirreL SQL Client is a graphical SQL client written in Java that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc. -
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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. DBeaver’s Enterprise Edition provides even more features and supports non-JDBC datasources. -
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SQLiteStudio
A free, open source, multi-platform SQLite database manager
A free, open-source, multi-platform SQLite database manager written in C++, with use of Qt framework. It's free of charge for everybody, for any purpose (including commercial). It's safe, as anyone can review the source code. The SQL Editor window assists users with SQL syntax hints & highlighting, provides pretty-print code formatter, and marks syntax errors. You can Ctrl+click on the table mentioned in the SQL query to open that table (or index, or trigger, or view). Currently supported encrypted, password-protected SQLite variations are SQLCipher, WxSQLite3, and System.Data.SQLite. You can execute SQL statements that refer to multiple databases within a single query, thanks to a transparent database attaching mechanism built into the SQL Editor of SQLiteStudio. You can implement your own SQL functions (scalar & aggregate) using JavaScript, Python, or Tcl. There is a repository of ready-to-use scripts on the wiki page. -
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XAMPP-Lite
Portable/Installer WAMP server including Apache, MariaDB/MySQL, PHP...
XAMPP-Lite is a lightweight WAMP server for web development (portable & installer, 32-bit & 64-bit). It includes Apache, PHP, MySQL/MariaDB, phpMyAdmin, Adminer, HeidiSQL, and more. Latest versions: PHP 8.4.6 - MariaDB 11.4.5 LTS - Apache 2.4.63 - phpMyAdmin 5.2.2 - Adminer 5.2.0 - HeidiSQL 12.10 - XDebug 3.4.2 - OpenSSL 3.4.1 - Composer 2.8.8 - Pear/Pecl 1.10.16. System requirements: ─ XAMPP-Lite 8.2 and below: Windows 7 and later (32-bit & 64-bit) ─ XAMPP-Lite 8.4 and 8.3: ⠀⠀─ 32-bit: Windows 8 and later (32-bit & 64-bit) ⠀⠀─ 64-bit: Windows 10 version 1703 and later (64-bit) -
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SQLECTRON
A simple and lightweight SQL client desktop with cross database
A simple and lightweight SQL client desktop/terminal with cross database and platform support. In case you prefer terminal interfaces. You should try this one. A desktop application with a simple interface. -
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Beekeeper Studio
Cross-platform SQL Editor and Database Manager
Beekeeper Studio is an open source, cross-platform SQL editor and database management app that is both powerful and easy to use. It lets you query and manage your relational databases, with support for connecting to SQLite, MySQL, MariaDB, Postgres, SQL Server and Amazon Redshift databases. Unlike most other open source SQL editors and database managers, Beekeeper Studio isn’t cluttered with unnecessary features, but does come with the essentials that you need. This includes SQL auto completion, sensible keyboard shortcuts, and the option to encrypt your connection with SSL. Beekeeper Studio is available for Windows, Linux and Mac. -
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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.
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Azure Data Studio
A data management tool that enables working with other SQL tools
Azure Data Studio is a cross-platform database tool for data professionals who use on-premises and cloud data platforms on Windows, macOS, and Linux. Azure Data Studio offers a modern editor experience with IntelliSense, code snippets, source control integration, and an integrated terminal. It's engineered with the data platform user in mind, with the built-in charting of query result sets and customizable dashboards. Use Azure Data Studio to query, design, and manage your databases and data warehouses wherever they are, on your local computer or in the cloud. Azure Data Studio offers a modern, keyboard-focused SQL coding experience that makes your everyday tasks easier with built-in features, such as multiple tab windows, a rich SQL editor, IntelliSense, keyword completion, code snippets, code navigation, and source control integration (Git). -
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OmniDB
Open Source Web Tool for Database Management
OmniDB is an open source, collaborative web tool for database management focused on interactivity and ease of use, with a design that allows it to be both powerful and lightweight. OmniDB is a browser-based tool, which means it can be accessed on any platform with the browser as a medium. It features a responsive, single-page interface, a unified workspace, a smart and beautiful SQL editor and more. It currently supports Windows, Linux and OSX platforms, and the following DBMS: PostgreSQL, MariaDB, Oracle, MySQL, SQLite (WIP), Firebird (WIP), SQL Server (WIP), IBM DB2 (WIP). -
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PGManage
Web tool for database management
pgManage is an open-source, cross-platform desktop GUI for managing PostgreSQL databases. It provides a tabbed interface for browsing schemas, writing queries, and managing server configurations. Designed for both developers and DBAs, pgManage aims to be a user-friendly yet powerful alternative to pgAdmin. -
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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. -
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Redash
Connect to any data source, easily visualize and share your data
Redash is an essential tool to help you make sense of your data. It allows everyone, regardless of level of technical know-how to harness the power of data. SQL users connect, query, visualize and share data easily and efficiently, allowing everyone in their organization to use the data. Redash combines the power and comfort of an SQL client with the collaborative benefits of a cloud-based service. It lets you create big, beautiful and easy to digest visualizations on dashboards for better decision-making. Redash supports a multitude of SQL and NoSQL data sources, and can be extended to support even more. Best of all it’s open source, so you can customize and add features to suit your organization’s needs perfectly. -
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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.
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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. -
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Falcon
Free, open-source SQL client for Windows and Mac
Falcon is a free, open-source SQL editor with inline data visualization. With Falcon you can connect to your database in the Connection tab, run SQL queries in the Query tab, then export your results as a CSV or open them in the Chart Studio to unlock the full power of Plotly graphs. Optionally, you can use Falcon as a middleman between plot.ly and your database - so that when your database updates, your charts and dashboards update as well. Currently, Falcon supports connections to RedShift, MySQL, PostgreSQL, IBM DB2, Impala, MS SQL, and SQLite. In version 2.0+, the app will now automatically generate an SSL. This may take several minutes! Falcon is open source and works without an internet connection or a Plotly Chart Studio account. The software works well and we hope you find it useful. -
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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! Comes with support for multiple connections, to many different SQL database types, a schema explorer, query history (e.g. lightweight version control), a basic security model, in-browser pivot tables, and more. SQL Explorer values simplicity, intuitive use, unobtrusiveness, stability, and the principle of least surprise. SQL Explorer is inspired by any number of great query and reporting tools out there. -
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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. -
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SQLPad
Web-based SQL editor run in your own private cloud
A web app for writing and running SQL queries and visualizing the results. Supports Postgres, MySQL, SQL Server, ClickHouse, Crate, Vertica, Trino, Presto, SAP HANA, Cassandra, Snowflake, Google BigQuery, SQLite, TiDB, and many more via ODBC. The docker image runs on port 3000 and uses /var/lib/sqlpad for the embedded database directory. latest tag is continuously built from latest commit in repo. Only use that if you want to live on the edge, otherwise use specific version tags to ensure stability. See docker-examples directory for example docker-compose setup with SQL Server. -
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Squawk
Linter for Postgres migrations & SQL
Squawk is a static SQL linter for PostgreSQL designed to catch common mistakes and enforce query best practices. It analyzes raw SQL files and flags errors, anti-patterns, or style issues before queries are deployed. Squawk is ideal for teams that want to enforce SQL standards in CI pipelines. -
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pg_probackup
Backup and recovery manager for PostgreSQL
pg_probackup is an advanced backup and recovery tool for PostgreSQL developed by PostgresPro. It supports full, incremental, and differential backups with compression and encryption, and provides fine-grained control over backup and restore processes. It’s designed for enterprise-grade backup strategies in PostgreSQL environments. -
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sqldef
Idempotent schema management for MySQL, PostgreSQL, and more
sqldef is a schema migration tool that automatically generates SQL migration statements by comparing database schemas. Instead of writing migrations manually, developers define the desired schema, and sqldef computes the difference. It's compatible with MySQL, PostgreSQL, SQLite, and others, making migrations safer and more maintainable. -
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Eclipse SQL Client for database querying/browsing any JDBC compliant database. It supports plugins with specialized functionality for individual databases (Oracle, DB2, MySQL, PostgreSQL, Sybase, Informix) and can be extended.
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Blazer
Business intelligence made simple
Blazer is a business-intelligence engine for Rails that lets teams write SQL in the browser, visualize the results, and share insights without leaving their app. It turns raw database queries into charts, tables, and dashboards, so non-engineers can explore data with minimal friction. Queries can accept parameters, enabling reusable reports for different time ranges, segments, or customers. Access controls and audit trails help teams manage who can run, edit, or view sensitive analyses. Scheduled checks and alerts turn BI into proactive monitoring by notifying you when metrics cross thresholds or regress. Because it’s a Rails engine, it integrates into your app’s authentication, layouts, and deployment workflows, reducing the overhead of maintaining a separate BI stack. -
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River SQL
Fast and reliable background jobs in Go
River is a durable background job system for Ruby on Rails, designed for reliability, observability, and simplicity. It provides persistent queues, native Active Job support, automatic retries, and real-time job monitoring through its admin interface. River focuses on clear diagnostics, performance, and minimal configuration, making it ideal for production-ready job handling in Rails apps. -
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Supabase JS
An isomorphic Javascript client for Supabase
supabase-js is the official JavaScript client library for interacting with Supabase services. It enables developers to easily access Supabase’s Postgres database, authentication, storage, and real-time subscriptions through a unified client. Designed for frontend and full-stack apps, supabase-js integrates smoothly with modern frameworks and supports both browser and server environments.
