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Leonhard is a GraphViz viewer/editor using MacRuby. For a full video demo, see the developer's website.

What's New

Version 0.9.1:
  • [ISSUE-4] Printing -- Print Graph, Source or both
  • [ISSUE-2] Save / Don't Save / Cancel panel bugs
  • [ISSUE-3] Can't open existing graph
  • [ISSUE-6] Icon impossible to see on black background


  • Mac OS X 10.6 or later
  • Graphviz (current stable version for Mac OS X 10.6 available here)

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Leonhard User Discussion


Current Version (0.x)


Downloads 1,635
Version Downloads 901
License Free
Date 05 Dec 2011
Platform Intel 64 / OS X / Intel 32
Price Free
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