In the process of designing this site and developing the software, I borrowed a lot from others.
Here are the due credits:

• Web Design Utilities
  My home page utilizes two site navigation systems: the top bar menu and the site map buttons. Both are excellent utilities offered as freeware in the following sites:
  • Constantin Kuznetsov's Topbar Static Menu
    This excellent cross-browser, two-level, Javascript top-bar menu is the one I use in my home page. It uses advanced features (although most of them work only in IE), and is easy to use and maintain.
  • Branko Dimitrijevic's Popup Navigation Applet
    The two map site buttons on my home page ("Site Map I" and "Site Map II") are two instances of this fine Java applet. It supports unlimited levels, has a small footprint and allows flexible customization.

• Alife Applets
  In developing my Alife applets I made use of concepts and code of other authors. I hope that my Alife code will also be downloaded and extended by others. Please see the Note About Sharing Code.
  • Alex Vulliamy's Flies
    The basic alife algorithm of the Floys is borrowed from the Flies applet, designed by Alex Vulliamy and Jeff Cragg. They use an original concept that I liked and adopted.
  • Andreas Ehrencrona's CA
    The basic CA algorithm in the JcaToi page is one I borrowed from Andreas Ehrencrona. Andreas incorporated many nice tricks to increase the performance of the CA, and I enjoyed adopting the code. His beautiful CA site contains free CA code. His other site is just as beautiful.
    
  • Konstantin Metlov's JEL library
    The interactive function optimization code in GA Playground's General Function option is based on the Java Expressions Library (JEL), an amazing library that enables fast evaluation of dynamic string expressions. The library was written by Konstantin Metlov, freely downloadable from his site.