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Umbraco alternatives & similar sites

Umbraco CMS - the flexible open-source .NET CMS — 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
optimizely.com ↗	112 match 26 shared linkers · same topic	Optimizely - AI to create and optimize digital experiences	en	artificial-intelligence	robotsllmsaihumans	emailphone	none
sitecore.com ↗	58 match 10 shared linkers · same topic	AI-powered digital experiences that win \| Sitecore	en	artificial-intelligence Sitecore	robotsllmsaihumans	emailphone	none
uskinned.net ↗	52 match 8 shared linkers · same topic	uSkinned for Umbraco \| Build Better, Launch Faster	en	web-design-and-html	robotsllmsaihumans	emailphone	none
trendmicro.com ↗	36 match 9 shared linkers · same topic	Trend Micro (DE) \| Globale KI-Cybersicherheitsplattform für Unternehmen	de	information-and-network-security Adobe Experience Manager	robotsllmsaihumans	emailphone	none
nodejs.org ↗	34 match 10 shared linkers · same topic	Node.js — Run JavaScript Everywhere	en	programming-languages	robots llmsaihumans	emailphone	none
nuget.org ↗	31 match 8 shared linkers · same topic	NuGet Gallery \| Home	en	software-and-applications	robotsllmsaihumans	emailphone	none
meetup.com ↗	20 match 11 shared linkers · same topic	Meetup \| Find Local Groups, Events, and Activities Near You	Germany~ en	social-networking	robotsllmsaihumans	emailphone	none
adobe.com ↗	15 match 10 shared linkers · same topic	Adobe: Creative, marketing and document management solutions	United States~ en	software-and-applications Adobe Experience Manager	robotsllmsaihumans	emailphone	none
gov.uk ↗	4 match 12 shared linkers	Welcome to GOV.UK	United Kingdom en	government-business	robotsllmsaihumans	emailphone	none
umbraco.org ↗	85 match shared topic	Umbraco CMS - the flexible open-source .NET CMS	en	web-development Umbraco	robots llmsaihumans	emailphone	none
getpublii.com ↗	73 match shared topic	Publii - free open-source static CMS for fast, secure websites	en	web-development	robots llmsaihumans	emailphone	none
textpattern.com ↗	73 match shared topic	Textpattern CMS \| Open source content management system	en	web-development	robotsllmsaihumans	emailphone	none
vvveb.com ↗	73 match shared topic	Vvveb - Open Source CMS and eCommerce	en	web-development Storyblok WooCommerce	robotsllmsaihumans	emailphone	none
strapi.io ↗	73 match shared topic	Strapi - Open-Source TypeScript Headless CMS	en	web-development	robotsllmsaihumans	emailphone	none
subrion.org ↗	73 match shared topic	Free Open Source CMS :: Open Source CMS, Free PHP CMS	en	web-development	robotsllmsaihumans	emailphone	none
videojs.com ↗	67 match shared topic	Video.js \| Open Source Video Player	en	web-development	robots llmsaihumans	emailphone	none
beikeshop.com ↗	67 match shared topic	BeikeShop - Free Open Source Laravel eCommerce	en	web-development WooCommerce	robotsllmsaihumans	emailphone	none
phpmyvisites.net ↗	67 match shared topic	phpMyVisites renamed to Piwik - open source web analytics	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.