Findlaw for the legal professional
One of the first free websites for searching California law and cases. It is now owned by Westlaw, but still provides free searching of California cases from 1932, access to other state and federal court opinions from court websites, and legal reference resources such as excerpts from AmJur2d (contracts, damages, divorce, etc.) with links to the full content on Westlaw (with a subscription).

Google Scholar
Find digitized versions of cases and academic articles. Case coverage includes Federal cases from 1923, state cases from 1950, and U. S. Supreme Court cases from 1791.

Justia
Free case law access for state and Federal courts. Dates vary for most courts, but U. S. Supreme Court cases are available from 1789. The full text of California codes is available from 2005. Court dockets are also available; however, for the full text of complaints, you will be referred to PACER. You can create an account to connect to Facebook and other social media for research or marketing.

Legal Information Institute
Cornell Law School’s research website has original content such as the WEX legal encyclopedia, the U S Constitution, the CRS annotated Constitution, the Oyez Project of U. S. Supreme Court opinions and transcripts, an ability to quickly find a title and section of the U S Code, the Code of Federal Regulations and state law resources.

Public Library of Law (PLOL)
One of the world’s largest free law libraries includes cases, laws and regulations from the creators of Fastcase. The website provides Supreme Court and appellate cases from 1997 to the present, statutes, court rules, and Constitutions from all the states and selective state regulations and administrative codes.