Wizards of the Coast releases its Axis and Allies game today. The rules are available for free. You can get the quickstart guide or the advanced rules.
Rules: WWII
Seas of War WWII Naval Wargames Rules
Stephen Lorenz offers a new set of WWII naval wargames rules called Seas of War. The set is professionally done and presented in pdf format. It also includes the data on a huge number of ships of the period.
A Terrible Resolve Midway Rules
Matt Fritz has these free wargames rules for gaming the Battle of Midway. The rules are designed for 1/700 ship and airplanes models but Matt also provides paper counters and airplanes.
Crossfire Hit Chances
The Small Cuts website has an article on the percentage to hit chances in Arty Conliffe’s Crossfire. Crossfire, as you may know, is one of the more innovative rules sets to come along. It uses no rulers, and has no real turn sequence.
Crossfire House Rules
Crossfire is one of the more innovative — and more enjoyable miniatures games I’ve played. But everyone who plays it seems to have their own house rules. Tim Marshall has a set of house rules that have to be the most comprehensive I’ve seen.