In The Emperor’s Name is a set of free wargames rules for skirmish games in the Warhammer 40K Universe. Theyr’e not up to version 3.0.
Warhammer Special Characters is a high quality fan supplement for Warhammer Fantasy Battles.
Here’s a fan-created Warhammer Fantasy Army book for the Empire Knightly Orders. As with the others in this series, it’s very well done.
Cult of Ulric is a new Warhammer Fantasy fan-made army sourcebook. It’s very professionally done.