Contact information:
        David Christensen, P.E.
        CA Lic. No. E14109 and M28845
        793 S. Tracy Blvd. #231, Tracy, CA 95376
        http://www.holgerdanske.com/
        dpchrist@holgerdanske.com
        (209) 830-8249

Links:

• 7 Zip Windows file compression http://www.7-zip.org/
• Apache web server software http://apache.org/
• CamStudio Windows desktop recording http://camstudio.org/
• Cygwin POSIX/GNU environment on Windows http://cygwin.org/
• Debian GNU/Linux Un*x-like operating system http://www.debian.org/
• FreeCiv turn-based game similar to Civilization http://freeciv.wikia.com/wiki/Main_Page
• GNU Image Manipulation Program (GIMP) photo editing software http://www.gimp.org/
• GPL Ghostscript Postscript and PDF software http://pages.cs.wisc.edu/~ghost/doc/GPL/gpl864.htm
• GPL Ghostscript Viewer Postscript and PDF software http://pages.cs.wisc.edu/~ghost/gsview/get49.htm
• ISO Recorder Windows CD/DVD rip/master/burn power tool http://isorecorder.alexfeinman.com/isorecorder.htm
• MySQL Structured Query Language Relational Database Management System http://dev.mysql.com/
• Perl dynamic, procedural, and object-oriented scripting language http://www.perl.org/
• Sandra Windows benchmarking tool http://www.sisoftware.co.uk/