KGraphviewer

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A Graphviz dot graph file viewer

Features

Perfect drawing of all graphviz example graphs
Full-featured printing
Zooming
Threaded loading of several graphs in tabs
Automatically choose dot for directed graphs and neato for undirected
Arbitrary layout also possible, as soon as it produces xdot format
Open new instances as new tabs in the old one (configurable)

and much more.

This new version of KGraphviewer, written for KDE SC 4.x, includes a brand new application, KGrapheditor, an experimental dot graphs editor. KGraphviewer is part of the Extragear graphics package.

Get more information from the Project Page