DFT - Shipping
- Information from the UK Department for Transport on maritime regulation and safety matters.
- http://www.dft.gov.uk/stellent/groups/dft_shipping/documents/sectionhomepage/dft_shipping_page.hcsp

Canadian Coast Guard
- Explains purpose and services. Includes boating safety tips, marine notices, and other resource pages. In French and English.
- http://www.ccg-gcc.gc.ca/

Marine Accident Investigation Branch
- Provides information on the work of the MAIB, which is responsible for investigating all types of marine accidents, both to ships and to people on board them.
- http://www.maib.dft.gov.uk/

Sim Software
- A small software development company focusing on marine navigation and safety. Free program.
- http://www.simsoftware.com