Sartre Online
http://www.geocities.com/sartresite/
A collection of resources on Sartre and his work. Includes a biography, discussions of Sartrean philosophy, and numerous links.
The Existentialist's Home Page
http://www.interchange.ubc.ca/cree/index.htm
A collection of excerpts of writings by major existentialist thinkers, including Sartre.
Sartre, No Exit
http://www.wsu.edu/~delahoyd/20th/sartre.noexit.html
An essay by Dr. Michael Delahoyde of Washington State University on Sartre's play.
Philosophy Pages: Sartre
http://www.philosophypages.com/ph/sart.htm
A very brief bio and description of Sartre's work. More useful is the list of recommended reading on Sartre and several links.