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Carry your TTRPG in Songs and Sagas

Dynamic Interactive Pool-based Engine Roleplaying

An SRD for creating games Powered by Sentinel

Systems Reference Document and Open Game License

An SRD for creating narrative TTRPGs with cards, dice, and dramatic turning points.

Third Party License Design Kit & SRD for Down We Go

create your own content for RUNE

A toolkit for making your own content for the NOVA RPG.

A toolkit for making your own content for the Slayers RPG.

Create your own content based on Firelights

A Solo Metroidvania Condensed RPG

This is a set of mechanics for playing or creating a d20+d6 role-playing game without corporate attachments.

A gm-less roleplaying SRD

A toolkit for creating card-based solo journaling games.

A guide to making solo tarot RPGs

For TTRPGs you design as you play.

An alternate take on the Caltrop Core SRD

Free, open license fantasy SRD for TTRPGs

Evolution in game design

Build and explore communities and their places

A cootie-catcher system built for solo-journaling games.

A System Reference Document for Lay On Hands

A solo Journaling SRD

An SRD for building TTRPGs full of self-expression, teamwork, and difficult choices.

A Toolkit For Creating Single-player Exploration Games

A TTRPG system designed to be easy to learn, play and adapt

Iron Core is a rich dice mechanic for you to build your own games.

A retro, Day-Glo, Nitro, freak-show, rainbow system - grab fistfuls of dice and gamble for epic FX!