The System Reference Document is a comprehensive toolbox consisting of rules, races, classes, feats, skills, various systems, spells, magic items, and monsters compatible with the d20 System version of Dungeons & Dragons and various other roleplaying games from Wizards of the Coast.

Material published in the System Reference Document is considered Open Game Content under the Open Game License, and anyone may use, modify, and distribute it.

Basics and Ability Scores • Carrying, Movement, and Exploration • Equipment • NPC Classes • Planes • Races • Special Materials • Traps • Treasure • Types, Subtypes, and Special Abilities • Alignment and Description • Character Classes I • Character Classes II • Skills II • Combat II • Feats • Skills I • Special Abilities and Conditions • Prestige Classes • Wilderness and Environment • Combat I (Basics) • Legal Information

Spells

Spells (H-L) • Spells (M-O) • Magic Overview • Spells (A-B) • Spells (C) • Spells (D-E) • Spells (F-G) • Spells (P-R) • Spells (T-Z) • Spell List I • Spell List II • Spells (S)

Magic Items

Magic Items I (Basics & Creation) • Magic Items III (Potions, Rings, and Rods) • Magic Items IV (Scrolls, Staffs, and Wands) • Magic Items VI (Intelligent, Cursed, and Artifacts) • Magic Items V (Wondrous Items) • Magic Items II (Armor and Weapons)

Monsters

Improving Monsters • Monster Feats • Monsters (Vermin) • Monsters (Di-Do) • Monsters (Dr-Dw) • Monsters (B-C) • Monsters (M-N) • Monsters (S) • Monsters as Races • Monsters (E-F) • Monsters (Intro-A) • Monsters (G) • Monsters (H-I) • Monsters (K-L) • Monsters (O-R) • Monsters (T-Z) • Monsters (Animals)

Psionics

Psionic Powers (G-P) • Psionic Powers (Q-W) • Psionic Powers (D-F) • Psionic Spells • Psionic Races • Psionic Monsters • Power List • Psionic Powers Overview • Psionic Classes

Epic

Epic Level Basics • Epic Classes • Epic Feats

Divine

Divine Minions • Divine Ranks and Powers

Modern Basics

Basic Classes • Ability Scores • Special Abilities • Saving Throws • Reputation • Wealth • Feats • Vehicle Movement and Combat • Spells • Skills Overview • Occupation • Ordinaries • Skills II • Skills I • Advanced Classes I • Psionics • Advanced Classes II • Action Points • Legal Information

Arcana

Shadow Creatures • Equipment • FX Items • Incantations • Occupations • Spells • Advanced Classes • Psionics • Shadowkind • Organizations

Future

Xenobiology • Traveler Science • Vehicles • Starships • Advanced Classes • Cybernetics • Equipment • Mecha • Environments • Mutations

Menaces

Menace Creatures (A-I) • Services & Feats • Menace Creatures (J-Z)