OmnisGM Rules — tabletop RPG reference

Freely-licensed System Reference Documents, gathered in one place, as Markdown. Read online or take the source text.

Dungeons & Dragons

• SRD 5.2.1 — the core rules of D&D 5e (2024): classes, spells, monsters, magic items, equipment. CC BY 4.0.
• SRD 5.1 — the core rules of D&D 5e (2014). CC BY 4.0.
• Converting to SRD 5.2.1 — a guide to moving from 5.1 to 5.2.1.

Daggerheart SRD

• SRD 1.0 — the Daggerheart SRD 1.0 rules: classes, domains, ancestries, adversaries, weapons, armor. DPCGL. © 2025 Critical Role LLC.

Basic Roleplaying

• SRD 1.0 — Chaosium’s universal d100 system (the engine behind Call of Cthulhu, RuneQuest and more). BRP OGL.

Found an error? Open an issue in the project repository.