A few programs I've released for you to enjoy. All are free for non-commercial use. Some have more generous licences.

• atc-ai — a bot which plays "atc" from the "bsdgames" package.
• A cryptogram puzzle assistant.
• unlambda interpreter. Fastest that I know of. Includes a pseudo-compile to C option. (See also my Unlambda page.)
• A self-printing program (quine) in Unlambda. Warning: Large.
• Text-mode mail checker/notifier for mbox files. I.e., a "biff" for Unix systems where "biff" doesn't work.
• C++ to HTML converter. And the self-HTML-ized version.
• 4space — displays lattices of 4D polytopes. Can be used as a screensaver.
• G3W — A interrealm gateway for the Gale messaging system.
• 99 bottles of beer on the wall in ex. Run as "ex -s < 99.ex".
• ROT-13 (in INTERCAL)
• collapse.ex — Collapse multiple blank lines, to a rather picky specification.
• color_xterm — I briefly maintained this long-obsolete variation of xterm way back when xterm didn't support changing text colors.
• Abyss 2525 — A futuristic roguelike game. Abandonware. Feel free to pick it up and take it over. Note that Angband has advanced considerably since Abyss branched from its codebase.

"vim" doesn’t support all of the "ex" features from the original "vi" very well, so if for some crazy reason you want to actually run my ex scripts and they aren’t working for you, first check whether your ex is vim’s, and if it is, then try installing nvi and using its ex, as nvi’s ex support is much better than vim’s.

For some excellent C programming resources, check out this site from Lysator of Linköping University.

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