![BRL-CAD](http://www.netupd8.com/w8img/717235_th.jpg)
BRL-CAD is a free, open-source alternative to AutoCAD, developed by the U.S. military in collaboration with NASA. It offers more than 400 tools, utilities, and applications comprising more than a million lines of source code. The package is intentionally designed to be extensively cross-platform and is actively developed on and maintained for many common operating system environments including for BSD, Linux, Solaris, Mac OS X, and Windows among others.
Download BRL-CAD | Ubuntu .deb download
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