HeidiSQL
A free, open-source desktop client for browsing and administering MySQL and MariaDB databases, with additional support for MSSQL, PostgreSQL, and SQLite.
HeidiSQL gives DBAs and developers a lightweight Windows (and Wine-compatible Linux) desktop client for the everyday work of running MySQL and MariaDB: browsing and editing data and table structure, writing and running SQL with syntax highlighting, managing users and grants, and exporting or synchronizing data between servers over plain or SSH-tunneled connections.
It’s one of the longest-running free GUI clients in the MySQL/MariaDB ecosystem, written in Delphi/Lazarus and released under the GPL-2.0 license, with a portable build that needs no installation.
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