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Urn: A Lisp implementation for Lua | Urn — 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 Programming Languages →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
natalie-lang.com ↗	69 match 1 shared topics	Natalie, a Ruby Implementation	en	programming-languages	robotsllmsaihumans	emailphone	none
csalgorithm.net ↗	69 match 1 shared topics	Implementation of algorithms in C#	en	programming-languages WordPress	robotsllmsaihumans	emailphone	none
dippl.org ↗	66 match 1 shared topics	The Design and Implementation of Probabilistic Programming Languages	en	programming-languages	robotsllmsaihumans	emailphone	none
luadocs.com ↗	66 match 1 shared topics	API Documentation	en	programming-languages	robotsllmsaihumans	emailphone	none
luavel.com ↗	66 match 1 shared topics	API Documentation	en	programming-languages	robotsllmsaihumans	emailphone	none
dipy.org ↗	64 match 1 shared topics	DIPY — Diffusion Imaging in Python documentation	en	programming-languages	robotsllmsaihumans	emailphone	none
m7mdbook.com ↗	64 match 1 shared topics	M7mdBook - Programming & Code Documentation	en	programming-languages	robotsllmsaihumans	emailphone	none
pluot.dev ↗	64 match 1 shared topics	Implement once, visualize everywhere. \| Pluot	en	programming-languages	robotsllmsaihumans	emailphone	none
suspero.com ↗	64 match 1 shared topics	Suspero - Focus on designing and implementing long-lived systems	en	programming-languages WordPress	robotsllmsaihumans	emailphone	none
luadev.com ↗	63 match 1 shared topics	Tag: luadev - Guru Meditation	en	programming-languages WordPress	robotsllmsaihumans	emailphone	none
luaquest.com ↗	63 match 1 shared topics	LuaQuest - Learn Lua for Roblox	en	programming-languages	robotsllmsaihumans	emailphone	none
4kids.dev ↗	62 match 1 shared topics	4Kids.Dev — Data Skills for the Next Generation	en	programming-languages	robotsllmsaihumans	emailphone	none
playfuljava.com ↗	62 match 1 shared topics	A Playful Introduction to Java	en	programming-languages	robotsllmsaihumans	emailphone	none
swiftuivoodo.com ↗	62 match 1 shared topics	swiftuivoodo \| Simple architecture for the rest of us.	en	programming-languages	robotsllmsaihumans	emailphone	none
bappa.net ↗	62 match 1 shared topics	The Bappa Framework - A lightweight Engine for 2D Game Development in Golang. \| Bappa	en	programming-languages	robotsllmsaihumans	emailphone	none
haskelllive.com ↗	62 match 1 shared topics	Haskell Live: A Live Coding Adventure	en	programming-languages	robotsllmsaihumans	emailphone	none
jopdesign.com ↗	62 match 1 shared topics	JOP: A Tiny Java Processor Core for FPGA	en	programming-languages	robotsllmsaihumans	emailphone	none
lyuylm.com ↗	62 match 1 shared topics	Python Clarity — Clear Python for Beginners & Non-Native Speakers	en	programming-languages	robotsllmsaihumans	emailphone	partial · 8

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.