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The Pencil Project’s unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.

Top features:

  • Built-in stencils for diagraming and prototyping
  • Multi-page document with background page
  • Inter-page linkings!
  • On-screen text editing with rich-text supports
  • Exporting to HTML, PNG, document, Word document and PDF.
  • Undo/redo supports
  • Installing user-defined stencils and templates
  • Standard drawing operations: aligning, z-ordering, scaling, rotating…
  • Cross-platforms
  • Adding external objects
  • Personal Collection
  • Clipart Browser
  • And much more…

Pencil will always be free as it is released under the GPL version 2 and is available for virtually all platforms that Firefox 3 can run. The first version of Pencil is tested against GNU/Linux 2.6 with GTK+, Windows XP and Windows Vista.

Get the Latest Release Candidate:

  1. Pencil 1.1-rc2 for Firefox 3.5+~423 KB, file from Google Code

    Standalone builds of Pencil 1.1 Release Candidates are available in the download page – for GNU/Linux and Windows.

  2. The previous stable version of Pencil can be found in the Firefox Add-ons.

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