blockdiag vs Opal
A side-by-side look at blockdiag and Opal. For an in-depth review of either product, follow the links below.
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
Opal
Office & Productivity
Opal is an open-source alternative to Microsoft OneNote for taking notes and organizing information. It allows users to create digital notebooks to capture text, drawings, and web clippings.
notesorganizationopensource
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