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arc42 - arc42 — 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 Technology And Computing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
norafoundry.dev ↗	65 match 2 shared topics	Nora Foundry - Architecture Consulting & Software Tools	en	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
asyncalign.com ↗	64 match 2 shared topics	Home - AsyncAlign	en	technology-and-computing WordPress WooCommerce	robotsllmsaihumans	emailphone	none
astro42.com ↗	64 match 2 shared topics	ASTRO42 - Software Development for Space	en	software-and-applications	robotsllmsaihumans	emailphone	none
attestify.io ↗	64 match 2 shared topics	Home - Attestify	en	technology-and-computing WordPress WooCommerce	robotsllmsaihumans	emailphone	none
atakku.dev ↗	64 match 2 shared topics	Atakku - Aku's Forgejo	en	technology-and-computing	robotsllmsaihumans	emailphone	none
netellyfish.org ↗	63 match 2 shared topics	danet / goSDN · GitLab	en	software-and-applications	robotsllmsaihumans	emailphone	none
apryse.com ↗	63 match 2 shared topics	Document Processing Technology for Developers \| Apryse, Formerly Known as PDFTron	en	software-and-applications Sanity	robots llmsaihumans	emailphone	none
ne10project.org ↗	63 match 2 shared topics	GitHub - projectNe10/Ne10: An open optimized software library project for the ARM® Architecture · GitHub	en	software-and-applications	robotsllmsaihumans	emailphone	none
associationforsoftwaretesting.org ↗	63 match 2 shared topics	For professional software testers - Association for Software Testing	en	technology-and-computing WordPress WooCommerce	robotsllmsaihumans	emailphone	none
publicapi.dev ↗	63 match 2 shared topics	PublicAPI - A collection of free APIs for software and web development use	en	technology-and-computing	robotsllmsaihumans	emailphone	none
asyncapi.io ↗	63 match 2 shared topics	AsyncAPI Initiative for event-driven APIs \| AsyncAPI Initiative for event-driven APIs	en	technology-and-computing	robots llms ai humans	emailphone	none
asyncapi.com ↗	63 match 2 shared topics	AsyncAPI Initiative for event-driven APIs \| AsyncAPI Initiative for event-driven APIs	en	technology-and-computing	robots llms ai humans	emailphone	none
apiary.io ↗	63 match 2 shared topics	Platform for API Design, Development & Documentation \| Apiary	en	technology-and-computing	robotsllmsaihumans	emailphone	none
astahblog.com ↗	63 match 2 shared topics	Astah in 5min \| Practical Astah TIPS for your software modeling!	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
livechatsoftwares.com ↗	63 match 2 shared topics	Find Software Tools & Applications	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
nlckysolutions.org ↗	63 match 2 shared topics	NlckySolutions	en	software-and-applications	robotsllmsaihumans	emailphone	none
nemnidhi.com ↗	63 match 2 shared topics	Nemnidhi \| Engineering Software That Scales	India~ en	software-and-applications	robotsllmsaihumans	emailphone	none
aquaclusters.com ↗	63 match 2 shared topics	AquaClusters - Issue Tracking, Wiki Books, Discussions and Questions & Answers \| AquaFold	en	software-and-applications	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.