ACME Laboratories
acme.com
acme.com
The idea being that I could chroot them, and have a different UID for each site, for security.
I had to patch it to add IPv6 support to the X-Forwarded-For header, if I recall correctly.
They're still usable, but the netpbm project has expanded upon Jef's work: http://netpbm.sourceforge.net/
Wrote a lot of code that way, wish that style had caught on.