Andy O'Neill's Home Page for Tabletop Wargames - Rules, pictures and a FAQ on several genres.
Assegai Wargames - Public forum for wargamers and miniature figurine collectors.
Dungeon Crawlers - Community-supported repository of miniature wargaming information. Featuring how-to's on painting and terrain, user galleries, message boards, and advice from experienced gamers and modellers.
Gale Force 9 - Covers everything from miniature war gaming including tactics and strategy, to painting and collecting. Covers many of the popular gaming supplements and rule systems.
Hive World Terra - A collection of downloads, the Rollcall army builder, articles, and an encyclopedia of Games Workshop's Universes.
Larry Leadhead - Satirical view on miniature wargaming in this popular comic strip.
Librarium Online - Has forums, advice and hints on buying and painting miniatures and user-submitted galleries. Portal with topical message boards, galleries and links, as well as downloads, reviews and stories set in the Games Workshop worlds.
Miniature Trading - Coordinates trading of collectible miniatures. Automatic match of figures and notification of new miniatures for trade.