graphviz is a set of graph drawing tools and libraries. It supports hierarchical and mass-spring drawings; although the tools are scalable, their emphasis is on making very good drawings of reasonably-sized graphs. Package components include batch layout filters and interactive editors for X11, Java, and a TCL/tk extension. The batch filters can be configured as a web visualization service (using GIF and click-maps). Typical applications include display of finite state machines, software diagrams, database schemas, and communication networks. License: Common Public License Changes: Several bugs have been fixed. Support for Tcl/Tk 8.5 and GCC 4.3 was added. Support for node usershapes/images in SVG format was added. Bindings for Perl, PHP, Python, Ruby, and TCL are now in language-specific directories.

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