blockdiag vs Secret PDF
A side-by-side look at blockdiag and Secret PDF. 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
Secret PDF
Security & Privacy
Secret PDF is a free software tool for Windows, Mac and Linux that allows users to password protect, encrypt and secure their PDF files. It features standard and military grade AES encryption methods to password protect and lock PDFs, preventing unauthorized access.
pdfencryptionpasswordprotect
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