It is coded mostly using Vi, or at least the edit function of MC,
but also sometimes using Notepad++ or wordpad on Window$.
Images are processed using GIMP, Imagemagick or PSP7.
It was designed to be 800 pixels wide in 2003 to ensure resolution issues are not big issues. This has proven to be a good move as the website works as is on most smart phones. More information on the freely available software is available from the link on the sites home page.
If you have any questions, just contact me using the message function on the home page.