Find slip opinions, search the docket, view the oral argument calendar. Slip opinions are in the form they will take in the United States Reports. (Other sites for Supreme Court Slip Opinions are Justia, Google Scholar, and Cornell's Legal Information Institute.)
The official website of the federal judiciary. It provides a lot of information on many aspects of the judiciary: judges and judgeships, judiciary budget, judicial compensation, caseload statistics, proceedings of the Judicial Conference of the United States, federal rulemaking, etc. It also provides access to the websites of various federal courts.
The AOC provides administrative, legal, financial, management, program, and information technology services to the federal courts. The AOC provides support and staff counsel to the Judicial Conference of the United States and its committees, and implements and executes Judicial Conference policies, as well as applicable federal statutes and regulations. Documents related to budget, administrative oversight, and procurement are found here.
The "Federal Judicial Center is the research and education agency of the federal judicial system." Some of its duties include "conducting and promoting orientation and continuing education and training for federal judges, court employees, and others; developing recommendations about the operation and study of the federal courts; conducting and promoting research on federal judicial procedures, court operations, and history."
A searchable database of information on all federal judges since 1789. Where did they serve? By whom were they appointed?
All opinions from the U.S. Supreme Court, the Circuit and District Courts and all state highest courts are available on Lexis and Westlaw.