SQL Designer

SQL Designer is completely free and open source ERD tool. Current features include:

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SQL Designer News & Activities

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workscove added SQL Designer as alternative to WorksCove ERD
28 days ago
karim-tamani added SQL Designer as alternative to StackRender
3 months ago
Snydi added Support for MS SQL Server as a feature to SQL Designer
6 months ago
Snydi added SQL Designer
6 months ago
Snydi added SQL Designer as alternative to DrawSQL, MySQL Workbench, phpMyAdmin and Lucidchart + 8 similar activities
6 months ago

SQL Designer was added to AlternativeTo by Snydi on Apr 3, 2026 and this page was last updated Apr 3, 2026.

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SQL Designer is completely free and open source ERD tool. Current features include:

Graphical designer where you can create, edit and connect tables using drag-and-drop
Import and export to and from sql, txt, and json files
Support for MySQL and Postgres
Multiple diagrams that you can save (unlimited)
Diagram sharing and realtime multiplayer