Age of Sigmar, Games’ Workshop’s attempt to kill Warhammer Fantasy, lacks even a basic points system. The rules allow each player to field whatever sized army they like. That doesn’t sit well with a lot of players, so the One Page Rules guys have come up with a points system fix for Age of Sigmar.
Gemini is a set of alternate skirmish rules for Warhammer 40K that use an Activation Roll, Action Point system.
There seem to be quite a few people who love the Warhammer 40K Universe, but who are less than enamored with the rules.
The Realm of Chaos Blog has a post on an old school (1988) Warhammer Fantasy Skirmish game
Fighting Fantasy Blog has published a set of “Fighting Fantasy Mass Battle” rules from a 1986 issue of Warlock magazine. Ahhh … such Old School Goodness.