Many downloadable programs: compiler, Assembly Interpreter, Linux I/O and Pipe library, Win32 Browse for Folder Dialog, Zip File Reader, Standard Library patches, Euphoria to C/Java translator, Event System Library, and Gamelib.
Arabic related programming techniques using Delphi or other languages. It have some good Delphi tip, components, and links, plus some of author's screen savers and programs.
Check this site for a survey of source code comprehension tools (these show flow and/or relationships of function within the program in a graphical and/or text manner). Both free and commercial products are listed.