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Better Auth alternatives & similar sites

Better Auth — 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
vercel.com ↗	50 match 38 shared linkers · same topic	Agentic Infrastructure - Vercel	en	artificial-intelligence	robots llmsaihumans	emailphone	none
shadcn.com ↗	121 match 57 shared linkers · same topic	shadcn	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
resend.com ↗	87 match 32 shared linkers · same topic	Resend · Email for developers	en	email Gumroad	robotsllmsaihumans	emailphone	none
tanstack.com ↗	75 match 27 shared linkers · same topic	TanStack \| The open-source application stack for the web.	en	web-development	robots llmsaihumans	emailphone	partial · 8
prisma.io ↗	62 match 26 shared linkers · same topic	Agent Infrastructure for TypeScript	en	software-and-applications	robotsllmsaihumans	emailphone	none
tailwindcss.com ↗	56 match 68 shared linkers · same topic	Tailwind CSS - Rapidly build modern websites without ever leaving your HTML.	en	web-design-and-html	robotsllmsaihumans	emailphone	none
typescriptlang.org ↗	53 match 53 shared linkers · same topic	TypeScript: JavaScript With Syntax For Types.	en	programming-languages	robotsllmsaihumans	emailphone	none
bun.sh ↗	51 match 16 shared linkers · same topic	Bun — A fast all-in-one JavaScript runtime	en	programming-languages	robots llmsaihumans	emailphone	none
react.dev ↗	50 match 44 shared linkers · same topic	React	en	programming-languages	robotsllmsaihumans	emailphone	none
nextjs.org ↗	48 match 68 shared linkers · same topic	Next.js by Vercel - The React Framework	en	web-development	robots llmsaihumans	emailphone	none
postgresql.org ↗	45 match 41 shared linkers · same topic	PostgreSQL: The world's most advanced open source database	en	databases	robotsllmsaihumans	emailphone	none
supabase.com ↗	44 match 27 shared linkers · same topic	Supabase \| The Postgres Development Platform	en	databases	robots llmsaihumans	emailphone	none
polar.sh ↗	40 match 11 shared linkers · same topic	Polar — A billing platform for the intelligence era \| Polar	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
expo.dev ↗	40 match 12 shared linkers · same topic	Expo — Build Native Apps with React	en	web-development Sanity	robotsllmsaihumans	emailphone	none
redis.io ↗	36 match 18 shared linkers · same topic	Redis - Real-time data for agents & apps	en	databases Sanity	robots llmsaihumans	emailphone	none
expressjs.com ↗	36 match 17 shared linkers · same topic	Express.js · Node.js web application framework	en	web-development	robotsllmsaihumans	emailphone	none
openrouter.ai ↗	36 match 8 shared linkers · same topic	OpenRouter	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
langchain.com ↗	36 match 8 shared linkers · same topic	LangChain: Observe, Evaluate, and Deploy Reliable AI Agents	en	artificial-intelligence	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.