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Vaadin alternatives & similar sites

Vaadin: Java Framework for Building Enterprise Web Applications — 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 Web Development →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
kubernetes.io ↗	69 match 18 shared linkers · same topic	Kubernetes	en	cloud-computing	robotsllmsaihumans	emailphone	none
docker.com ↗	52 match 24 shared linkers · same topic	Docker: Accelerated Container Application Development	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
stackoverflow.com ↗	51 match 46 shared linkers · same topic	Newest Questions - Stack Overflow	en	technology-and-computing WooCommerce	robotsllmsaihumans	emailphone	none
jetbrains.com ↗	49 match 11 shared linkers · same topic	JetBrains: Essential tools for software developers and teams	en	software-and-applications	robotsllmsaihumans	emailphone	none
react.dev ↗	39 match 10 shared linkers · same topic	React	en	programming-languages	robotsllmsaihumans	emailphone	none
vuejs.org ↗	38 match 8 shared linkers · same topic	Vue.js - The Progressive JavaScript Framework \| Vue.js	en	web-development	robotsllmsaihumans	emailphone	none
postgresql.org ↗	38 match 13 shared linkers · same topic	PostgreSQL: The world's most advanced open source database	en	databases	robotsllmsaihumans	emailphone	none
redhat.com ↗	36 match 13 shared linkers · same topic	Red Hat - We make open source technologies for the enterprise	en	cloud-computing Drupal	robotsllmsaihumans	emailphone	none
gitlab.com ↗	29 match 13 shared linkers · same topic	Finally, AI for the entire software lifecycle.	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
mysql.com ↗	26 match 8 shared linkers · same topic	MySQL	en	databases	robotsllmsaihumans	emailphone	none
github.io ↗	22 match 11 shared linkers · same topic	GitHub Pages \| Websites for you and your projects, hosted directly from your GitHub repository. Just edit, push, and your changes are live.	en	web-development	robotsllmsaihumans	emailphone	none
apache.org ↗	12 match 20 shared linkers	Welcome to The Apache Software Foundation \| Apache Software Foundation	en	non-profit-organizations	robotsllmsaihumans	emailphone	none
djangoproject.com ↗	65 match shared topic	The web framework for perfectionists with deadlines \| Django	en	web-development	robotsllmsaihumans	emailphone	none
phusionpassenger.com ↗	65 match shared topic	Passenger - Enterprise grade web app server for Ruby, Node.js, Python	en	software-and-applications	robotsllmsaihumans	emailphone	none
emberjs.com ↗	65 match shared topic	Ember.js - A framework for ambitious web developers	en	web-development	robotsllmsaihumans	emailphone	none
hono.dev ↗	65 match shared topic	Hono - Web framework built on Web Standards	en	web-development	robotsllmsaihumans	emailphone	none
wasmer.app ↗	65 match shared topic	Wasmer: Universal applications using WebAssembly	en	software-and-applications	robotsllmsaihumans	emailphone	none
koajs.com ↗	65 match shared topic	Koa - next generation web framework for node.js	en	web-development	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.