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The diagrams in the Git Community Book are excellent and I'd like to know what software was used to create them. I emailed the author, but he didn't respond, so does anyone else know?

(This question was raised by request within this stackoverflow answer).

enter image description here

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closed as too localized by random Nov 23 '12 at 3:13

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

My guess would be Graphviz, and/or OmniGraffle. – sblair May 20 '11 at 14:46
I'd have said OmniGraffle too. At least judging from the arrows and rounded corners. – slhck May 20 '11 at 15:16
Cheers guys - I guess we'll never know for sure unless the Author makes a visit to this site (which is possible). – trojanfoe May 20 '11 at 15:18
The file extension .graffle here is suspicious... It seems Omnigraffle. – microspino Oct 10 '13 at 7:38
@microspino Thanks; I think that answers the question. – trojanfoe Oct 10 '13 at 7:39

yEd is a powerful and free graph editor that produces really nice graphs.

I use it often for my needs. It provides automatic layout and many shape / line options.

These graphs could have been produced by this program.

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They did not ask a generic software-recommendation question (which would be closed anyway since it has been asked numerous times already); they were asking about the specific program that was used to make the Git diagrams, and comparing the graphs, it does not look like yEd was used. – Synetech Nov 23 '12 at 3:08

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