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Britannia's Great Library — The Codex of Ultimate Wisdom & Forum Archive — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Roleplaying Games →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
neceros.net ↗	63 match 1 shared topics	NECEROS' Library	en	roleplaying-games	robotsllmsaihumans	emailphone	none
eldritchlibrary.com ↗	63 match 1 shared topics	Eldritch Library	en	roleplaying-games WordPress	robotsllmsaihumans	emailphone	none
atlantisrpg.com ↗	63 match 1 shared topics	Khepera Publishing – The Greatest Little Game Company that could	en	roleplaying-games WordPress	robotsllmsaihumans	emailphone	none
donjonetcie.com ↗	63 match 1 shared topics	Les Archives de Donjon & Cie	en	roleplaying-games	robotsllmsaihumans	emailphone	none
5e-creature-codex.org ↗	62 match 1 shared topics	5e Creature Codex - Free D&D Monster Reference & Stat Blocks	en	roleplaying-games Reaction Commerce	robotsllmsaihumans	emailphone	none
livetorole.com ↗	62 match 1 shared topics	LiveToRole — Tools for tabletop creators	en	roleplaying-games	robotsllmsaihumans	emailphone	none
cthulhuarchitect.com ↗	62 match 1 shared topics	Home \| Cthulhu Architect	en	roleplaying-games	robotsllmsaihumans	emailphone	none
eldritcharchive.org ↗	62 match 1 shared topics	The Eldritch Archive – A TTRPG Actual-Play podcast group full of horror, mischief, and fun.	en	roleplaying-games WordPress WooCommerce	robotsllmsaihumans	emailphone	none
gauldar.com ↗	62 match 1 shared topics	Gauldar — Brokerage House of the Firmament	en	roleplaying-games	robotsllmsaihumans	emailphone	none
astrangemoodpodcast.com ↗	62 match 1 shared topics	A Strange Mood – The Couple's Dwarf Fortress Podcast	en	roleplaying-games WordPress	robotsllmsaihumans	emailphone	none
interestsofthekall.com ↗	62 match 1 shared topics	Interests of the Kall D&D Campaign — A campaign wiki	en	roleplaying-games	robotsllmsaihumans	emailphone	none
voidepoch.com ↗	62 match 1 shared topics	The Void Epoch — Enter the Unknown	en	roleplaying-games	robotsllmsaihumans	emailphone	none
nebula-worlds.com ↗	62 match 1 shared topics	Nebula - Architecture for Dungeon Masters	en	roleplaying-games	robotsllmsaihumans	emailphone	none
eritora.info ↗	62 match 1 shared topics	Welcome to Eritora - The World of ERITORA	en	roleplaying-games	robotsllmsaihumans	emailphone	partial · 8
housesoftheblooded.net ↗	62 match 1 shared topics	Houses of the Blooded	en	roleplaying-games	robotsllmsaihumans	emailphone	none
navathemrpg.com ↗	62 match 1 shared topics	Welcome to the End	en	roleplaying-games WordPress	robotsllmsaihumans	emailphone	none
naytei.net ↗	62 match 1 shared topics	A howl on the wind…	en	roleplaying-games WordPress	robotsllmsaihumans	emailphone	none
auraxiswastemanagement.com ↗	62 match 1 shared topics	Jewel of the Indigo Isle	en	roleplaying-games	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.