Subject Based / Web Page + much more

Project Based Learning Check Lists

 http://www.lib.lfc.edu/faculty/plagiarism.html (how to use various search engines for detection)

http://www.plagiserve.com (It's free!)

http://www.canexus.com/eve/ (free 15 day trial)

http://plagiarism.phys.virginia.edu/  (free software available! Plagiarism Resource Center)

http://www.virtualsalt.com/antiplag.htm  (Anti Plagiarism Strategies)

http://www.turnitin.com/  (free trial)

http://www.salon.com/  (Pitfalls of Plagiarism detection sites)