accessible portal solutions

I am doing a bit of research on out-off-the-box and skeleton portal
solutions and was wondering if anybody knows of web portals available that
are accessible (W3C WAI Priority 1 guidelines, ADA Section 508)

 

If anybody can help, I would appreciate it, thanks.

Juan Ulloa
Website Specialist  
Web Services * Bellevue Community College
julloa@bcc.ctc.edu
425/ 564.2487