U.S. Department of State: Travel Warnings & Consular Information Sheets
- US government's official travel advice and travel warnings. Registration for automated email updates.
- http://travel.state.gov/travel/cis_pa_tw/cis_pa_tw_1168.html

Australian Department of Foreign Affairs and Trade
- Official travel advice for Australians covering all destinations.
- http://www.smartraveller.gov.au//index.html

UK Foreign & Commonwealth Office: Travel Advice by Country
- British government official travel advice and warnings for all countries.
- http://www.fco.gov.uk/servlet/Front?pagename=OpenMarket/Xcelerate/ShowPage&c=Page&cid=1007029390590

Red 24
- Security service with threat level analysis for business and personal travel itineraries.
- http://srva.red24.info/nonmembers/

Foreign Affairs Canada: Travel Reports
- Canadian government's official travel advice.
- http://www.voyage.gc.ca/dest/ctry/reportpage-en.asp

Sign in Safe
- Offers the latest travel safety news, along with tools to monitor the safety of people as they travel.
- http://www.signinsafe.com/

Travel Safety Information
- Official travel advice and warnings from the New Zealand government.
- http://www.mft.govt.nz/travel/

Air Security International's Hot Spots
- Detailed listing of security related news items from around the world updated daily.
- http://www.airsecurity.com/hotspots/HotSpots.asp#Amer

expatexchange.com
- Registration for email newsletters containing critical travel warnings designed for US expatriates.
- http://www.expatexchange.net/expat/index.cfm?pr=newslettercen

Fielding's DangerFinder
- A somewhat 'gung ho' approach to dangerous places but contains detailed information about how to keep safe in some of the world's most dangerous places. Also has a traveller's bulletin board.
- http://www.comebackalive.com/df/dplaces.htm

iJET Travel Intelligence
- Commercial organisation providing detailed travel advice and warnings for various destinations.
- http://www.ijet.com

Overseas Advisory Council (OSAC)
- Private/US Government partnership. Issues travel advisories and announcements. Database of news items related to overseas incidents, mostly specific to US interests.
- http://www.ds-osac.org/