Humor of Phil Kaufman  
   One-liners, stories and links. Original content.
   http://www.jokemeister.iwarp.com/

The Laugh Lab  
   A scientific experiment undertaken by the University of Hertfordshire in the UK to find the world's funniest joke.
   http://www.laughlab.co.uk/

Pigboy  
   Collection of categorised jokes and original humour articles. Includes a forum, regular mailing list and an agony uncle.
   http://www.pigboy.co.uk/

Comedy Group  
   Original short movies of stand-up jokes.
   http://www.comedygroup.com/

gocount.com  
   Providing daily original jokes on current news. Updated daily.
   http://www.gocount.com/

Cantu Jokes  
   Frequently updated jokes that you can safely use without fear of copyright infringement.
   http://humormall.com/jokes/freejokes.shtml

Tony Follari  
   Original jokes arranged by category.
   http://www.tonyfollari.com/

Humor and Joke portal  
   A good selection of jokes. Also encourages joke submissions from visitors.
   http://www.2laugh.com

GirlyRose.com Jokes Portal  
   A large collection of jokes sorted in categories, Includes some of the internets funiest pictures.
   http://www.girlyrose.com/jokes