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blockdiag vs PDF Stacks

A side-by-side look at blockdiag and PDF Stacks. 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
PDF Stacks

PDF Stacks

Office & Productivity

PDF Stacks is a PDF management software that allows users to easily merge, split, organize and manage PDF documents. It has an intuitive interface and useful features like OCR, annotation tools, password protection and more.

pdfdocumentmanageorganizemergesplitocrannotation