Court Opinions: Supreme Court, Appellate Division, Tax Court (Maintained by Rutgers Law School – Camden. Complete text. Coverage since March 1994 for Supreme Court, since September 1995 for Appellate Division. Searchable by keyword.)
Google Scholar (Includes cases back to the 1950s.)
New Jersey Court opinions, including recent New Jersey Supreme Court decisions, Unpublished Appellate Opinions and recent Tax Court opinions via New Jersey Judiciary. These are available for 10 days, then they’re available through Rutgers Newark Law School.
New Jersey FindACase (Includes cases back to 1930)
How to Find Free Case Law Online (Research Guide by the Library of Congress)