FASB (Financial Accounting Standards Board) Codification: Basic View is available for free access without registration. The Professional View of the FASB Accounting Standards Codification® is available to accounting program faculty and students through the Academic Accounting Access program administered by the American Accounting Association (AAA). A nominal fee is assessed to academic institutions by the AAA. Details are available at the AAA website. A description of Professional View is available here.
Accounting.com: For a description of basic accounting standards, see Accounting Knowledge in the Resources section. The site also includes general information on accounting degrees, rankings, and required certifications.