Notes & Assignments:

Jealousy Case Study

Drama Notes

Study Guide

Character Descriptions

Split-Quotes act I, scene i

Partial Summary Acts I & II

Post-Othello Notes

Iago's Revenge

Essay Topics

Life Drama

Scene Interpretations

Supplementary Materials:

Shakespeare Resource Center
http://www.bardweb.net/

Fairly comprehensive, informative Shakespeare site. 

No Fear Shakespeare

http://nfs.sparknotes.com/othello/

Modernized translation next to original text.  Organized by act and scene.

Glossary of Shakespeare's Writings by Worldwideschool.org
http://www.worldwideschool.org/library/books/lit/shakespeare/glossaryofshakespeare/toc.html

Dictionary of Shakespearean terms no longer in common usage.

The Complete Works of William Shakespeare by Massachusetts Institute of Technology 
http://the-tech.mit.edu/Shakespeare/works.html