LOLCODE - Development of a new language. User contributions welcomed. - http://www.lolcode.com
The Daily WTF - Offers daily posts of user-submitted examples of bad code and software design. - http://thedailywtf.com/
The Commentator - A program for generating comments automatically, customizable by FUD factor, profanity, self-importance, verbosity, humor level, and bitterness. - http://www.cenqua.com/commentator/
The Tao Of Programming - Koan-style advice to apprentice programmers. - http://www.canonical.org/~kragen/tao-of-programming.html
Hacker's Wisdom - Collection of programming humor and computer folklore classics. - http://www.ee.ryerson.ca/~elf/hack/
The Retrocomputing Museum - Eric S. Raymond's list of outdated, obscure, or deliberatly unusable programming languages, compilers, and interpreters. - http://catb.org/~esr/retro/
Jargon File - Programmer slang dictionary, containing more than 2000 not-quite-serious definitions and a number of programmer folklore anecdotes. Hosted by Eric S. Raymond. - http://catb.org/jargon/
Softwarequotes.com - Quotations from various programmers about programming. Includes a quotes search, newsletter, and index of quotes by person quoted. - http://www.softwarequotes.com/
ComedyCode - Funny programming code. Programmers can submit their own code and rate the work of others. - http://www.comedycode.com
Quotes about Programmers - Quotations about programmers, software and programming languages. - http://www.sysprog.net/quotpgmr.html
The Algorithm of an Average Taxpayer's Life - A structured biography in 483 pseudo-coded subroutines, as logical outcome of random events and processes during lifetime. - http://www.alphaandomega.nl/
How to Shoot Yourself in the Foot - Showcases how to shoot yourself in the foot using several programming languages. - http://www-users.cs.york.ac.uk/~susan/joke/foot.htm
Fifty Ways to Hose Your Code - A song kind of by Paul Simon. - http://www.contrib.andrew.cmu.edu/~norm/hose_code.html
Laugh Along with GNU - Designed to provide some laughs to the working hackers - large collection of GNU/programming humor. - http://www.gnu.org/fun/humor.html
Programming is a Weird and Wacky World - Collection of jokes, satirical articles, and parodies on popular song lyrics. - http://www.elsop.com/wrc/humor/progwack.htm
Epigrams in Programming - List of 120 programming-related aphorisms. - http://www.cs.yale.edu/homes/perlis-alan/quotes.html
The Evolution of a Programmer - Programming style and how it evolves as programmers mature from junior high students to senior managers. - http://www.ariel.com.au/jokes/The_Evolution_of_a_Programmer.html
Softpanorama Humor Archive - Open-source related humor, dissing (among others) Linus Torvalds, RMS, ESR, vi, and Perl. - http://www.softpanorama.org/Bulletin/Humor/index.shtml
Reflections on Trusting Trust - An ACM classic: UNIX coinventor Ken Thompson reports on how he hacked his own C compiler. - http://www.acm.org/classics/sep95/
Holger's Humor Page - Why is C++ programming like teenage sex? What's the difference between a software developer and a drug dealer? When will operator overloading be added to Java? This page has the answers. - http://www.klawitter.de/enhumor.html
Hello, World Page - Collecting examples of "Hello World" programs for as many languages and related programming environments (shells) as possible. - http://www.latech.edu/~acm/HelloWorld.shtml
Computer Stupidities - Collection of stupid chunks of C source code and reports of encounters with less-than-bright apprentice programmers. - http://rinkworks.com/stupid/cs_programming.shtml
Life of Programmer - Humorous observations and stories of dealing with computers and their users. - http://tellingjokes.com/j/lop.htm