CoFlo is a Free and Open Source source code analysis tool which generates and analyzes control flow graphs from C and C++ source. CoFlo is distributed under the terms of the GNU General Public License Version 3.
COCOMO Project Cost Estimate
For kicks, here’s Ohloh’s Cocomo [sic] widget’s estimate of the cost of the CoFlo project:
And if anyone knows where I can hire some of those $55G/yr developers able to handle this sort of work, let me know would you? ;-)