I'm writing a rulebook

My players and I want to go back to playing D&D, and I had the idea of trying to convert Stars Without Number's skill system into something I could use for a fantasy setting. My recent forays in dissecting how magic could work in a non-Vancian way got me thinking about Kevin Crawford's two different systems for psionics in Stars Without Number. Now, I also like ideas that are presented in the Black Hack and Dungeon Crawl Classics and I grew up playing 2nd edition ... I have all of these ideas rattling around in my head, and in the past I have photocopied pages from different rulebooks to use for my weird Frankensteined rule sets, but this time I'm putting together a pdf that I can send my players and say "This is the rulebook!"

I have an urge to make it generically fantasy and release it for free publicly, calling it OSRenstein! But right now I'm working on it as a private rulebook for my own table, nobody else's eyes on it, and I'm working in a lot of setting-specific rules, like including the oukek as a playable race.

Things I've included so far:
28 skills
races get their own background choices, which includes some skills, starting gear, and silver
classes are customized with kits, which give a special ability and some skills
warriors get a Feat die - which is the same thing as DCC's mighty deed die
arcane magic uses a point system
Luck stat

My shopping list of things to include:
Ability checks are saving throws
Reaction rolls + morale
random encounters
Ascending AC
Learning spells = Intelligence check
usage dice?
kits with implied social standing are restricted by backgrounds
system shock = Constitution checks = save vs death