blockdiag vs Pencil Project
A side-by-side look at blockdiag and Pencil Project. 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
Pencil Project
Development
Pencil Project is a free and open source GUI prototyping and mockup tool. It allows users to create wireframes and prototypes for software interfaces and websites quickly and easily, without programming knowledge.
wireframingmockupsguidesign
Related Comparisons
SmartDraw
Flowgorithm
Wondershare EdrawMax
OmniGraffle
WireframeSketcher
SpiderScribe.net