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Hardhat alternatives & similar sites

Hardhat 3 — 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
docker.com ↗	57 match 10 shared linkers · same topic	Docker: Accelerated Container Application Development	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
ethereum.org ↗	100 match 20 shared linkers	Ethereum - The complete guide from ethereum.org	en	currencies	robots llmsaihumans	emailphone	none
expressjs.com ↗	71 match 9 shared linkers · same topic	Express.js · Node.js web application framework	en	web-development	robotsllmsaihumans	emailphone	none
nodejs.org ↗	69 match 17 shared linkers · same topic	Node.js — Run JavaScript Everywhere	en	programming-languages	robots llmsaihumans	emailphone	none
react.dev ↗	61 match 12 shared linkers · same topic	React	en	programming-languages	robotsllmsaihumans	emailphone	none
mongodb.com ↗	59 match 10 shared linkers · same topic	MongoDB: The World’s Leading Modern Data Platform \| MongoDB	en	databases Contentstack	robotsllmsaihumans	emailphone	none
typescriptlang.org ↗	59 match 13 shared linkers · same topic	TypeScript: JavaScript With Syntax For Types.	en	programming-languages	robotsllmsaihumans	emailphone	none
postgresql.org ↗	50 match 10 shared linkers · same topic	PostgreSQL: The world's most advanced open source database	en	databases	robotsllmsaihumans	emailphone	none
tailwindcss.com ↗	48 match 12 shared linkers · same topic	Tailwind CSS - Rapidly build modern websites without ever leaving your HTML.	en	web-design-and-html	robotsllmsaihumans	emailphone	none
python.org ↗	42 match 11 shared linkers · same topic	Welcome to Python.org	en	programming-languages	robotsllmsaihumans	emailphone	none
nextjs.org ↗	42 match 12 shared linkers · same topic	Next.js by Vercel - The React Framework	en	web-development	robots llmsaihumans	emailphone	none
vercel.com ↗	38 match 8 shared linkers · same topic	Agentic Infrastructure - Vercel	en	artificial-intelligence	robots llmsaihumans	emailphone	none
github.com ↗	55 match shared topic	GitHub · Change is constant. GitHub keeps you ahead. · GitHub	en	software-and-applications	robots llmsaihumans	emailphone	none
addtoany.com ↗	55 match shared topic	AddToAny: Share Buttons by the Universal Sharing Platform	en	technology-and-computing	robotsllmsaihumans	emailphone	none
tally.so ↗	55 match shared topic	Tally - Create Beautiful Forms for Free \| Unlimited Forms & Submissions	en	software-and-applications	robots llmsaihumans	emailphone	none
sourceforge.net ↗	55 match shared topic	Compare B2B Software, Download, & Develop Open Source & Business Software - SourceForge	United States~ en	software-and-applications	robots llmsaihumans	emailphone	none
wufoo.com ↗	55 match shared topic	Online Form Builder with Cloud Storage Database \| Wufoo	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
atlassian.net ↗	55 match shared topic	Products \| Atlassian	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.