http://www.odyssey.on.ca/~elaine.coxon/rubrics.htm
http://school.discovery.com/schrockguide/assess.html
http://intranet.cps.k12.il.us/Assessments/Ideas_and_Rubrics/Rubric_Bank/rubric_bank.html
http://www.theeducatorsnetwork.com/utt/rubricsreadymade.htm
Note: When you go to this last site choose a rubric "by topic".
This allows you to download pages of rubrics for that particular area.
It's a super reference to have!
http://www.teach-nology.com/web_tools/rubrics/
The above site allows you to generate your own rubrics to some degree.
Much of it is already pre-determined by the program.
http://www.4teachers.org/projectbased/checklist.shtml
This site has some pre-set criteria for the rubrics.
They are only available for writing, science, oral presentations and multimedia.
http://rubistar.4teachers.org/
Easily gives the user complete control over the criteria for the rubric.
http://landmark-project.com/classweb/tools/rubric_builder.php3
This is another program that gives complete control to the user.