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blockdiag vs DBDiagram.io

A side-by-side look at blockdiag and DBDiagram.io. For an in-depth review of either product, follow the links below.

blockdiag

blockdiag

Development

blockdiag is an open-source Python library and command-line tool that generates block-style diagram images from simple text files. It supports multiple diagram types like block diagrams, sequence diagrams, activity diagrams, and more.

diagramblock-diagramsequence-diagramactivity-diagram
DBDiagram.io

DBDiagram.io

Development

DBDiagram.io is a free online database diagram drawing tool that allows users to visually design and model relational databases. It provides an intuitive drag and drop interface to create tables, relationships, views, keys, indexes and more. The diagrams can be exported as SQL scripts, PDF documents or PNG images.

databasediagrammodelingdesignvisualization