washu.ubooks.net 
Minimalistic, but effective book exchange at Washington University.
School Text Exchanges
Does your school have an online text exchange not listed here? Email us the link and we'll post it. The goal is to show off the cool tools used by students at some schools to help save money and inspire other schools to do likewise.
washu.ubooks.net
betterthanthebookstore.com
yalestation.org/books
where2go4books.com
lionconnection.com
texbooks.com
chimestext.com
exchangehut.com
Well used, well designed book exchange at UPENN, Drexel, Temple, Rutgers - New Brunswick and Community College of Philadelphia.
Yale University online campus text exchange. Hands down the best looking site and one of, if not, the most advanced and useful technologically. A really great resource for Yale students. Check out more info on the Yale Station Project which should serve as an example of how to organize and develop a great campus portal to connect students for many useful purposes.
James Madison University online campus text exchange. Brilliant design. Serves its purpose very well. Built by an old friend of mine.
Penn State online campus text exchange site. Decent usership. Approx 4k site visitors a month.
University of Texas-Austin online campus text exchange. One of best examples of what a campus text exchange can be. Very simple and straightforward with strong usership. SHows what happens when you offer someone a simple piece of web software without distraction that provides a useful service and works.
Buyback site for New Orleans area schools: LSU, UNO, Delgado, SUNO, Baton Rouge, New Orleans, Louisiana.
University of Wisconsin (Madison) online campus text exchange — pretty awesome site.