Wakefield & Ossett Wargamers links page

General
Free wargames rules

HOTT fast play fantasy rules
The Stronghold
Lazlair
Some army lists from the rules' co-designer
Website of the rules' other designer

Boardgames
Web grognards - Board wargames site
Boardgamegeek - A vast amount of info on all types of boardgames.
Consimworld - Board wargame news and discussion
Perfect captain - downloadable games, rules and scenarios.

Britannia - a simple boardgame of British history
Lou's game corner - reviews, play aids, variants etc.
David Bofinger's site - includes rules for a more historical variant, also a big Europe wide version
Britannia style games - list and description of other games in the same style.
Britannia revised - variant to make the game more balanced.

Miscellaneous History sites

General
deremilitari - Society for Medieval Military History's site
The gutenberg project - downloadable texts of old books, inc many ancient authors.
Perseus digital library - Contains a broad range of historical source materials.
Chinaknowledge - An extensive site with good info on chinese history.
Silk Road - Information on connections between China and the West.

Maps, military unit symbols, etc
Mapsymbs.com - Numerous sets military symbols as downloadable fonts.
WW2 symbols - Description of military symbols as used in World War 2.
OMC - Online map creation.

Ancient & Medieval
Roman history site
Lacus Curtius - Encyclopaedic site on all things Roman.
Livius.org - A wide range of ancient history articles and texts.
Attalus.org - Classical history timeline and reference to sources.
Pictures of ancient ships
De Bellis in Terra Sancta - Crusades era history (and gaming) site.

World War One (esp 1918)
Imperial Services - Educational site with a range of WW1 articles.
16th Division - Site detailing the history of the 16th Irish division during the war.

MTBs (inc rules)
Silent Approach

Weird German WW2 projects
Weird planes (in German)
Weird planes 2
Supertank (in German)