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OpenCollection - Open Specification for API Collections — 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 Software And Applications →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
apiary.io ↗	66 match 2 shared topics	Platform for API Design, Development & Documentation \| Apiary	en	technology-and-computing	robotsllmsaihumans	emailphone	none
acceleratech.uk ↗	65 match 2 shared topics	acceleratech \| software optimisation specialists	United Kingdom en	software-and-applications Spree Commerce	robotsllmsaihumans	emailphone	none
absint.com ↗	65 match 2 shared topics	AbsInt: Static Analysis and Formal Verification of Safety-Critical Software	en	software-and-applications	robotsllmsaihumans	emailphone	none
9s-app.com ↗	65 match 2 shared topics	9sapp \| A Hub for Discovering Innovative Applications in Every Aspect of Life	en	software-and-applications	robotsllmsaihumans	emailphone	none
spotme-dev.com ↗	65 match 2 shared topics	SpotMe API documentation	en	software-and-applications	robotsllmsaihumans	emailphone	none
edoceo.com ↗	64 match 2 shared topics	Open Source Information Technology Consulting \| Edoceo	en	software-and-applications	robotsllmsaihumans	emailphone	none
3dsecure.io ↗	64 match 2 shared topics	3dsecure.io - 3-D Secure verifications with VISA & Mastercard	en	technology-and-computing	robotsllmsaihumans	emailphone	none
1stdatasolutions.com ↗	64 match 2 shared topics	1st Data Solutions - Premier Approved U.S. Customs & Border Protection Vendor	United States~ en	technology-and-computing	robotsllmsaihumans	emailphone	none
brring.com ↗	64 match 2 shared topics	Specialists in software solutions - BoxPeg	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
heatscribe.com ↗	64 match 2 shared topics	HeatScribe — DJI Thermal Inspection Software for Mac	en	software-and-applications	robotsllmsaihumans	emailphone	none
cprover.org ↗	64 match 2 shared topics	Systems Verification Group Homepage	en	technology-and-computing	robotsllmsaihumans	emailphone	none
stackify.com ↗	64 match 2 shared topics	Application Performance Monitoring Tools For Developers	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
associationforsoftwaretesting.org ↗	64 match 2 shared topics	For professional software testers - Association for Software Testing	en	technology-and-computing WordPress WooCommerce	robotsllmsaihumans	emailphone	none
csvtrax.com ↗	64 match 2 shared topics	CSVTrax \| Visual CSV Transformation for Clean, Structured Output	en	technology-and-computing	robotsllmsaihumans	emailphone	none
viqecodes.com ↗	64 match 2 shared topics	Viqecodes Software Marketplace - Digital Solution for everyone.	en	software-and-applications	robotsllmsaihumans	emailphone	none
2bluecapital.com ↗	64 match 2 shared topics	2Blue — apps, tools & publications	en	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
sqaline.com ↗	64 match 2 shared topics	SQAline \| QA & Test Automation for SaaS Teams	en	software-and-applications	robotsllmsaihumans	emailphone	none
helperset.com ↗	64 match 2 shared topics	Collection of online tools and utilities \| Helper Set	en	technology-and-computing	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.