Searchable site, by the National Archives & Records Administration.
All recent U.S. Supreme Court opinions.
By Cornell University's Legal Information Institute (LII).
From volume 150, plus circuit courts.
Government briefs submitted to the Supreme Court, 1982-1995.
Circuit court decisions since 1994, and district courts and U.S. statutes.
Federal Judicial Center, by circuit.
By Cornell's LII.
Sorted by article, from Cornell's LII.
Searchable by title and section, from Cornell's LII.
New opinions updated twice daily, plus an archive from 1991.
By circuit or state with links, from legal.online.