Apply!:
http://www.weapply.com/

Application Zap:
http://www.collegeview.com/appzap/

College Link:
http://www.collegelink.com/

College Edge:
http://apply.collegeedge.com/

College Quest:
http://www.collegequest.com/cgi-bin/ndCGI/CollegeQuest/pgExploreStartPage

Common Application:
http://www.commonapp.org/

Electronic Applications:
http://www.eapp.com/firstfl.htm