Joe Strout's Python Tidbits - Includes piglatin and depiglatin scripts that attempt forward and reverse translation from English to Pig Latin. Built for the Python programming language. - http://www.strout.net/python/tidbits.html
Translator by John B. Chambers - Translates text input to Pig Latin, Swedish Chef, Jive or ValSpeak dialects. Source code available for download. - http://www.cs.utexas.edu/users/jbc/home/chef.html
MIT: Pig Latin Project - Programming project to build a Pig Latin translator applet. Brief description of Pig Latin and Ubby Dubby, a related variant. - http://www.ai.mit.edu/projects/cs101-staff/psets/PigLatin/PigLatinProject.html
Pig-hEaDIT - Pig Latin translator for Windows; download or order on CD-ROM / diskette. - http://www.immigration-usa.com/pig.html
English to Pig Latin Translator - Ensures proper capitalization, differentiates between "Y" as vowel and "Y" as consonant, and other refinements. - http://www.snowcrest.net/donnelly/piglatin.html
The Dialectizer - Browse the web or read text in any of several comic English dialects, including Pig Latin. - http://rinkworks.com/dialect/