The Student Guide - Financial Aid from the US Department of Education provides information about federal student assistance.
The William D. Ford Direct Loan Program has information on student rights and responsibilities under the Direct Loan Program.
Corporate National Service (AmeriCorps) is the national service program that allows people of all ages and backgrounds to pay for a education in exchange for a year of service.
Financial Aid Information Page is an excellent site for both parents and students. It not only contains information about financial aid but also information on alternative methods of financing a college education.
Wells Fargo Bank - Student Loans, Bank of America - Student Union, and Educaid are a few lenders providing PLUS loans to students and parents.