HeidiSQL
HeidiSQL is a free, open-source developer tool for Windows, macOS and Linux. A lightweight client for managing MariaDB, MySQL, SQL Server, PostgreSQL, SQLite, Interbase and Firebird, written in Delphi and Lazarus/FreePascal. It has 6,292 GitHub stars and is released under the GPL-2.0 license.
- Linux
- macOS
- Windows
- Code editors & developer tools
- Actively maintained
About HeidiSQL
Delphi 12.1 is required for building HeidiSQL for Windows. Older Delphi versions will most likely fail; newer Delphi versions may work or fail. Unfortunately, Lazarus or one of the other free compilers cannot currently compile HeidiSQL.
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What is HeidiSQL?
HeidiSQL is a free, open-source developer tool for Windows, macOS and Linux. A lightweight client for managing MariaDB, MySQL, SQL Server, PostgreSQL, SQLite, Interbase and Firebird, written in Delphi and Lazarus/FreePascal. It has 6,292 GitHub stars and is released under the GPL-2.0 license.
Is HeidiSQL free and open source?
Yes. HeidiSQL's source code is public on GitHub under the GPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install HeidiSQL?
Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: v12.21) or the project website.
Is HeidiSQL still maintained?
The repository's most recent commit was on Oct 1, 2026. appsgit only lists apps whose repository had a commit in the last six months.