I don't know about Fantasy Grounds, but I'm slowly building up a Maptool framework. It's almost entirely combat based, though, at the moment.

Fighter House-Rules Every few levels, the fighter may choose one of the abilities listed below. The minimum level requirement is listed next to the name of the abilities. EXP requirements have been increased by about 10% for these abilities. Defensive Stance: 3 If the fighter chooses not to attack ...

That sounds good. I don't think I could come up with enough abilities to form a tree system, but having a 'pool' of abilities that you pick one from every few levels sounds doable. I'll post the material I have here in a bit.

Okies, I'll take a look at it.

EDIT: Ah, yes, I've seen that before. Although it has some nice things, it wasn't really what I was looking for. I'll throw together some rules and playtest them. If I get something useful back then I'll post them here.

Hey there, I'm new to these forums, but I have been using BF for a campaign and have come across something that really gets at me. The thing is, MUs and clerics have extra spells every level, which are wild and varied, thieves get bonuses to all their thief abilities and such, but fighters don't get...