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Mailr | Ruby On Rails open source webmail — 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 Email →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
dorianportfolio.com ↗	61 match 2 shared topics	Dorian Piaskowski - Freelance - Front-end Developer / Email Developer - Central London, UK - Web Portfolio	en	email	robotsllmsaihumans	emailphone	none
neerajkumartech.com ↗	41 match 1 shared topics	Neeraj Kumar - Senior Ruby on Rails Developer	en	web-development	robotsllmsaihumans	emailphone	none
protexttools.com ↗	40 match 1 shared topics	ProTextTools - Free and Open Source Web Tools	en	web-development	robotsllmsaihumans	emailphone	none
naveedali.info ↗	39 match 1 shared topics	Naveed Ali - Full Stack Developer \| MERN & Ruby on Rails Expert	en	web-development	robotsllmsaihumans	email phone	none
redlinesoftware.ca ↗	39 match 1 shared topics	Redline Software — Ruby on Rails Development Since 2006	Canada en	web-development	robots llmsaihumans	emailphone	none
integrit.dev ↗	39 match 1 shared topics	IntegritDev - Expert Web Application Development \| Ruby on Rails, React, Node.js	United States~ en	web-development	robotsllmsaihumans	emailphone	none
2bcwebdev.com ↗	38 match 1 shared topics	Anil Nautiyal: Freelance Open Source Consultant	en	web-development	robotsllmsaihumans	emailphone	none
elephantgrass.io ↗	36 match 1 shared topics	GitHub - timbowhite/elephant-grass-gmail: Open source Bitcoin powered spam control for Gmail · GitHub	en	email	robotsllmsaihumans	emailphone	none
astrails.com ↗	36 match 1 shared topics	Astrails - Creating Awesome Web, Mobile, and Embedded Applications with Node.js, React, Ruby on Rails, Elixir and machine/deep learning	en	web-development	robotsllmsaihumans	emailphone	none
sisuy.com ↗	35 match 1 shared topics	SiS WebMail	en	email	robotsllmsaihumans	emailphone	none
ericschmid.dev ↗	35 match 1 shared topics	Eric Schmid \| Fullstack Developer \| React Native & Rails Expert	en	web-development	robotsllmsaihumans	emailphone	none
crystal-works.net ↗	35 match 1 shared topics	Crystal Works - Web and mobile development studio – HTML5, PHP/Symfony, Ruby on Rails, iOS and Android	en	web-development	robotsllmsaihumans	emailphone	none
3gwt.net ↗	35 match 1 shared topics	3GWT iGaming Consulting: open source, web, UI, and database design services.	en	web-development	robotsllmsaihumans	emailphone	none
gaytra.com ↗	35 match 1 shared topics	NOCC - Webmail	en	email	robotsllmsaihumans	emailphone	none
internetspione.com ↗	35 match 1 shared topics	Amthor WebMail	en	email	robotsllmsaihumans	emailphone	none
dot-nano.com ↗	35 match 1 shared topics	Webmail	en	email	robotsllmsaihumans	emailphone	none
asyncsource.com ↗	35 match 1 shared topics	AsyncSource - Senior Product Engineering for Custom Web Platforms	en	web-development	robotsllmsaihumans	emailphone	none
elevenclicks.com ↗	35 match 1 shared topics	Web Development Toronto \| Rails, AI & Mobile \| ElevenClicks	Canada~ en	web-development	robots llmsaihumans	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.