Sources & licenses

The D&D Codex is an unofficial fan site. It is not affiliated with, endorsed, sponsored or approved by Wizards of the Coast.

All rules text on this site comes from open-licensed sources, retrieved through the Open5e API. Each entry names its source book and license at the bottom of its page.

This work includes material from the System Reference Document 5.1 ("SRD 5.1") and the System Reference Document 5.2 ("SRD 5.2") by Wizards of the Coast LLC, available at dnd.wizards.com/resources/systems-reference-document. The SRD 5.1 and SRD 5.2 are licensed under the Creative Commons Attribution 4.0 International License, available at creativecommons.org/licenses/by/4.0/legalcode.

Sources used

BookPublisher / authorLicenseEntries
5e Core Concepts 2014Open5e; Mike Mearls, Jeremy Crawford, Chris Perkins, Rodney Thompson, Peter Lee, James Wyatt, Robert J. Schwalb, Bruce R. Cordell, Chris Sims, and Steve Townshend, based on original material by E. Gary Gygax and Dave Arneson. (2014)Creative Commons Attribution 4.0, OPEN GAME LICENSE Version 1.0a15
Adventurer's Guide A5EEN Publishing; EN Publishing (2021)Creative Commons Attribution 4.0, OPEN GAME LICENSE Version 1.0a461
Black Flag SRD 2014Kobold Press; Open Design LLC d/b/a Kobold Press (2023)Creative Commons Attribution 4.0362
Creature Codex 2014Kobold Press; Wolfgang Baur, Dan Dillon, Richard Green, James Haeck, Chris Harris, Jeremy Hochhalter, James Introcaso, Chris Lockey, Shawn Merwin, and Jon Sawatsky (2018)OPEN GAME LICENSE Version 1.0a356
Deep Magic Extended 2014Kobold Press; Not sure. (2024)OPEN GAME LICENSE Version 1.0a64
Deep Magic for 5th Edition 2014Kobold Press; Dan Dillon, Chris Harris, and Jeff Lee (2020)OPEN GAME LICENSE Version 1.0a515
Dungeon Delver’s Guide A5EEN Publishing; EN Publishing (2023)Creative Commons Attribution 4.0, OPEN GAME LICENSE Version 1.0a4
Gate Pass Gazette A5EEN Publishing; EN Publishing (2022)Creative Commons Attribution 4.0, OPEN GAME LICENSE Version 1.0a2
Kobold Press Compilation 2014Kobold Press; Various (2024)OPEN GAME LICENSE Version 1.0a31
Monstrous Menagerie A5EEN Publishing; Paul Hughes (2021)OPEN GAME LICENSE Version 1.0a586
Open5e Originals 2014Open5e; Ean Moody, Various (2024)OPEN GAME LICENSE Version 1.0a22
Spells That Don't Suck 2014Somanyrobots; Ben Somers / somanyrobots, Omega Ankh (2025)Creative Commons Attribution 4.0180
System Reference Document 5.1 2014Wizards of the Coast; Mike Mearls, Jeremy Crawford, Chris Perkins, Rodney Thompson, Peter Lee, James Wyatt, Robert J. Schwalb, Bruce R. Cordell, Chris Sims, and Steve Townshend, based on original material by E. Gary Gygax and Dave Arneson. (2023)Creative Commons Attribution 4.0, OPEN GAME LICENSE Version 1.0a1509
System Reference Document 5.2 2024Wizards of the Coast; Wizards of the Coast (2024)Creative Commons Attribution 4.01749
Tal'dorei Campaign Setting 2014Green Ronin Publishing; Matthew Mercer, James Haeck (2017)OPEN GAME LICENSE Version 1.0a14
Tome of Beasts 2014Kobold Press; Chris Harris, Dan Dillon, Rodrigo Garcia Carmona, and Wolfgang Baur (2016)OPEN GAME LICENSE Version 1.0a391
Tome of Beasts 1 (2023 Edition) 2014Kobold Press; Dan Dillon, Chris Harris, Rodrigo Garcia Carmona, Wolfgang Baur (2024)OPEN GAME LICENSE Version 1.0a408
Tome of Beasts 2 2014Kobold Press; Wolfgang Baur, Celeste Conowitch, Darrin Drader, James Introcaso, Philip Larwood, Jeff Lee, Kelly Pawlik, Brian Suskind, Mike Welham (2020)OPEN GAME LICENSE Version 1.0a383
Tome of Beasts 3 2014Kobold Press; Wolfgang Baur, Celeste Conowitch, Darrin Drader, James Introcaso, Philip Larwood, Jeff Lee, Kelly Pawlik, Brian Suskind, Mike Welham (2022)OPEN GAME LICENSE Version 1.0a397
Tome of Heroes 2014Kobold Press; Kelly Pawlik, Ben Mcfarland, and Briand Suskind (2022)OPEN GAME LICENSE Version 1.0a239
Vault of Magic 2014Kobold Press; Phillip Larwood, Jeff Lee, and Christopher Lockey (2021)OPEN GAME LICENSE Version 1.0a1063
Warlock Zine 2014Kobold Press; Woflgang Baur, others. (2017)OPEN GAME LICENSE Version 1.0a43

Open Game License section 15 notices

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Creative Commons 0
CC0 enables scientists, educators, artists and other creators and owners of copyright- or database-protected content to waive those interests in their works and thereby place them as completely as possible in the public domain, so that others may freely build upon, enhance and reuse the works for any purposes without restriction under copyright or database law. https://creativecommons.org/public-domain/cc0/
OPEN GAME LICENSE Version 1.0a
The following text is the property of Wizards of the Coast, Inc. and is Copyright 2000 Wizards of the Coast, Inc ("Wizards"). All Rights Reserved. 1. Definitions: (a)"Contributors" means the copyright and/or trademark owners who have contributed Open Game Content; (b)"Derivative Material" means copyrighted material including derivative works and translations (including into other computer languages), potation, modification, correction, addition, extension, upgrade, improvement, compilation, abridgment or other form in which an existing work may be recast, transformed or adapted; (c) "Distribute" means to reproduce, license, rent, lease, sell, broadcast, publicly display, transmit or otherwise distribute; (d)"Open Game Content" means the game mechanic and includes the methods, procedures, processes and routines to the extent such content does not embody the Product Identity and is an enhancement over the prior art and any additional content clearly identified as Open Game Content by the Contributor, and means any work covered by this License, including translations and derivative works under copyright law, but specifically excludes Product Identity. (e) "Product Identity" means product and product line names, logos and identifying marks including trade dress; artifacts; creatures characters; stories, storylines, plots, thematic elements, dialogue, incidents, language, artwork, symbols, designs, depictions, likenesses, formats, poses, concepts, themes and graphic, photographic and other visual or audio representations; names and descriptions of characters, spells, enchantments, personalities, teams, personas, likenesses and special abilities; places, locations, environments, creatures, equipment, magical or supernatural abilities or effects, logos, symbols, or graphic designs; and any other trademark or registered trademark clearly identified as Product identity by the owner of the Product Identity, and which specifically excludes the Open Game Content; (f) "Trademark" means the logos, names, mark, sign, motto, designs that are used by a Contributor to identify itself or its products or the associated products contributed to the Open Game License by the Contributor (g) "Use", "Used" or "Using" means to use, Distribute, copy, edit, format, modify, translate and otherwise create Derivative Material of Open Game Content. (h) "You" or "Your" means the licensee in terms of this agreement. 2. The License: This License applies to any Open Game Content that contains a notice indicating that the Open Game Content may only be Used under and in terms of this License. You must affix such a notice to any Open Game Content that you Use. No terms may be added to or subtracted from this License except as described by the License itself. No other terms or conditions may be applied to any Open Game Content distributed using this License. 3. Offer and Acceptance: By Using the Open Game Content You indicate Your acceptance of the terms of this License. 4. Grant and Consideration: In consideration for agreeing to use this License, the Contributors grant You a perpetual, worldwide, royalty-free, non-exclusive license with the exact terms of this License to Use, the Open Game Content. 5.Representation of Authority to Contribute: If You are contributing original material as Open Game Content, You represent that Your Contributions are Your original creation and/or You have sufficient rights to grant the rights conveyed by this License. 6.Notice of License Copyright: You must update the COPYRIGHT NOTICE portion of this License to include the exact text of the COPYRIGHT NOTICE of any Open Game Content You are copying, modifying or distributing, and You must add the title, the copyright date, and the copyright holder's name to the COPYRIGHT NOTICE of any original Open Game Content you Distribute. 7. Use of Product Identity: You agree not to Use any Product Identity, including as an indication as to compatibility, except as expressly licensed in another, independent Agreement with the owner of each element of that Product Identity. You agree not to indicate compatibility or co-adaptability with any Trademark or Registered Trademark in conjunction with a work containing Open Game Content except as expressly licensed in another, independent Agreement with the owner of such Trademark or Registered Trademark. The use of any Product Identity in Open Game Content does not constitute a challenge to the ownership of that Product Identity. The owner of any Product Identity used in Open Game Content shall retain all rights, title and interest in and to that Product Identity. 8. Identification: If you distribute Open Game Content You must clearly indicate which portions of the work that you are distributing are Open Game Content. 9. Updating the License: Wizards or its designated Agents may publish updated versions of this License. You may use any authorized version of this License to copy, modify and distribute any Open Game Content originally distributed under any version of this License. 10. Copy of this License: You MUST include a copy of this License with every copy of the Open Game Content You Distribute. 11. Use of Contributor Credits: You may not market or advertise the Open Game Content using the name of any Contributor unless You have written permission from the Contributor to do so. 12. Inability to Comply: If it is impossible for You to comply with any of the terms of this License with respect to some or all of the Open Game Content due to statute, judicial order, or governmental regulation then You may not Use any Open Game Material so affected. 13. Termination: This License will terminate automatically if You fail to comply with all terms herein and fail to cure such breach within 30 days of becoming aware of the breach. All sublicenses shall survive the termination of this License. 14. Reformation: If any provision of this License is held to be unenforceable, such provision shall be reformed only to the extent necessary to make it enforceable. 15. COPYRIGHT NOTICE Open Game License v 1.0a Copyright 2000, Wizards of the Coast, Inc. System Reference Document Copyright 2000-2003, Wizards of the Coast, Inc.; Authors Jonathan Tweet, Monte Cook, Skip Williams, Rich Baker, Andy Collins, David Noonan, Rich Redman, Bruce R. Cordell, John D. Rateliff, Thomas Reid, James Wyatt, based on original material by E. Gary Gygax and Dave Arneson. END OF LICENSE