From the Law Library of Congress. Includes statutes, regulations, judicial opinions, court rules, Comptroller General decisions and law journals.

Offers links to the Supreme Court, Lower Courts, Special Courts, and court support organizations.

Provides access to electronic materials from District Courts, Courts of Appeal, Bankruptcy Courts, and Courts of Special Jurisdiction. Users may find forms, fee schedules, and rules of court among other information.

The official site is only a few years old. Offers an interesting selection of features including recent decisions, dockets, biographies, etc. Decisions are available from 2002 forward.

Supreme Court Decisions 1937-1975 http://supcourt.ntis.gov/

Supreme Court Decisions 1992-2000 http://permanent.fdlp.gov/fbb/court01.html

Congressional Quarterly Supreme Court Collection
Provides not only the text of decisions but explanatory materials, links to related cases. It also offers a variety of search options.

FindLaw-Supreme Court Decisions
Decisions from volume 150 (1893) of the U.S. Reports. Links from citations within decisions to earlier decisions referenced.

Oyez Project Supreme Court Multimedia
Hear the oral arguments for Supreme Court cases back to 1961.

The Federal Judicial Center is the research and education agency of the federal judicial system.

Teaching Judicial History http://www.fjc.gov/history/home.nsf/page/teaching.htmlOffers historical backround and documents, teaching activities, resources for judges and educational outreach for a selection of cases.

Biographical Directory of Federal Judges http://www.fjc.gov/history/home.nsf/page/judges.html
The directory includes the biographies of judges presidentially appointed during good behavior who have served since 1789 on the U.S. District Courts, the U.S. Courts of Appeals, the Supreme Court of the United States,  the former U.S. Circuit Courts, and the federal judiciary's courts of special jurisdiction.

Information varies from court site to site.