The Sad Press SRD Collection

Publisher's blurb:

Little systems to inspire TTRPG writers.

Rules Art Games Stories (RAGS), based on a token economy.
Spice, which has a distinctive approach to 'stats.'
Hat Adventure, which adapts a Taboo-like mechanism for storytelling.
Glimpse, inspired by tarot cards, memes, Mysterium and Dixit.
Engine, which features a little more strategy and crunch than the others.
Duplex, where every roll has a magnitude of success/failure.
Apprentice, where every partial failure helps your character grow.
Drama & Dice, where every success comes with a cost.
Bonus: RPG Generator.