www.genuki.org.uk the premier UK genealogical web site. Covers every county in the UK with online trade directories, gazetteers, information on places, libraries, archives, censuses etc. etc.
www.cyndislist.com US based site covering the whole world. Has an enormously useful A-Z subject list with over 200,000 links to every possible genealogical topic.
www.familysearch.org Family Search, the LDS genealogy site with over 400 million names on this immense database.
www.rootsweb.com Rootsweb, an immense US genealogy co-operative with links to many other projects such as the Immigrant Ships Transcribers Guild and FreeBMD. Has over 27,000 mailing lists through which you can communicate with other family historians.
www.scotlandspeople.gov.uk GRO Scotalnd's database of Births, Marriages, Deaths and Census.
www.irishorigins.com/ Irish Genealogy free search engine - 3 million names.
www.nationalarchives.gov.uk the National Archives site with links to genealogical resources including the 1901 census.
www.familyrecords.gov.uk a major portal site, linking to the websites of the UK's major archives and record offices, including the Family Records Centre's own website.
Births, Marriages and Deaths:
http://freebmd.rootsweb.com volunteers who are putting some of the GRO indexes on the web. Over 75 million records are on line so far from 1837-1902.
www.ukbmd.org.uk/ Links to all known web sites, including Civil Registration, that offer indexes and information from UK Births, Marriages and Deaths.
www.statistics.gov.uk/registration/default.asp including information about births, adoptions, marriages and deaths.
www.Ilgc.org.uk:81/index.htm Complete index to all Welsh Marriage Licences.
http://www.bdm.nsw.gov.au/familyHistory/search.htm Australian (NSW) Births (to 1905), Marriages and Deaths (to 1945).
www.bcarchives.gov.bc.ca/textual/governmt/vstats/vevents.htm British Columbia Vital Records Index.
Wills & Census:
www.documentsonline.pro.gov.uk All PCC wills 1384-1858
www.scottishdocuments.com 520,000 Scottish wills from 1500-1901.
http://www.gloucestershire.gov.uk/index.cfm?articleID=1335 All Gloucestershire wills 1541-1858 as well as other family history resources.
www.cheshire.gov.uk/recoff/eshop/Wills/home.htm Cheshire wills 1492-1940.
www.kindredkonnections.com includes the 1871 Cornwall census (click on Census Records and follow the link).
Passenger Lists - Immigration and Emigration:
http://ellisisland.org Passengers to the United States 1892-1924. Not all were emigrants; many were just visitors back from a visit to the UK.
www.blaxland.com/ozships Australian arrivals and departures 1788-1968.
www.standard.net.au/~jwilliams/ships.htm an index of ships 1829-1900 with information from various newspapers.
http://members.aol.com/rprost/passenger.html A variety of passenger lists.
www.cwgc.org The Commonwealth War Graves Commission site includes the Debt of Honour Register - details of those who died whilst serving during the First and Second World Wars.
http://www.armymuseums.org.uk/ Search all the Army museums.
Other useful sites:
www.look4them.org.uk A website of 9 official organisations who can help you to find missing persons.
www.oldbaileyonline.org.uk 45,000 criminal trials from 1714-1799 so far, but eventually to cover 1674-1834.
www.historicaldirectories.org/ Trade Directories - all can be searched at once.
www.gazettes-online.co.uk/ London (and Belfast and Edinburgh) Gazettes.
www.sog.org.uk The Society of Genealogists with many useful links.
www.hmc.gov.uk/nra/nra2.htm The National Register of Archives.
http://www.familia.org.uk/ The UK and Irelands guide to genealogical resources in public libraries.
www.gendocs.demon.co.uk/trades.html List of trades and occupations.
http://eh.net/hmit/ppowerbp Compare money values since 1600.
www.wiskit.com/calendar.html Perpetual Calendar.