For this year's freebie, don't thank me, thank Steve Foster. He's the designer of Mortal Combat, the homebrew RPG that pulled our thinking away from mega-hit dice heroes towards a grittier blood-&-mud style of fantasy that ended up inspiring Dragon Warriors, for one.
Steve has given his blessing to handing out free PDFs of this seminal (if rough-&-ready) work:
GURPS's several hundred skills and perks when I've yearned to strip things right back. Maybe not quite that far back, but almost.
And you can see now why I didn't choose a career as an illustrator. Happy Christmas!