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Protomaps alternatives & similar sites

Protomaps - The open source map in a file — 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
ekazakov.me ↗	60 match 2 shared topics	Eduard Kazakov	en	technology-and-computing Ghost	robotsllmsaihumans	emailphone	none
3ctelemetry.io ↗	60 match 2 shared topics	3C Telemetry Login Page	United States~ en	technology-and-computing	robotsllmsaihumans	emailphone	none
ccsgeo.com ↗	60 match 2 shared topics	CCS Geo – GIS and Geographic Analysis	en	maps-and-navigation WordPress	robotsllmsaihumans	emailphone	none
livinglion.com ↗	60 match 2 shared topics	Living Lion – Just another useless blog	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
howtoopensource.dev ↗	42 match 1 shared topics	How to Open Source	United States~ en	technology-and-computing Gumroad	robotsllmsaihumans	email phone	none
voltechub.com ↗	42 match 1 shared topics	VolTechHub - Open Source Tech Insights	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	partial · 8
ps-webforge.com ↗	41 match 1 shared topics	Philipp Scheit - Developer, entrepreneur, open source enthusiast	en	technology-and-computing	robotsllmsaihumans	emailphone	none
elioqoshi.me ↗	41 match 1 shared topics	Elio's Corner - open sourcery & design	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
augustinus.digital ↗	40 match 1 shared topics	\| Modern Open Source URL shortener.	en	technology-and-computing	robotsllmsaihumans	emailphone	none
atoomnet.net ↗	38 match 1 shared topics	Marc Ketel's Open Source Projects	en	technology-and-computing	robots llmsaihumans	emailphone	none
intcore.dev ↗	38 match 1 shared topics	Intcore - Open Source Contributors & Tech Team	en	technology-and-computing	robotsllmsaihumans	emailphone	none
ereuse.org ↗	38 match 1 shared topics	Electronics Reuse \| Open Source software for reusing digital devices ensuring final recycling	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
myprs.dev ↗	36 match 1 shared topics	MyPRs - One link to highlight your Open-Source Contributions	en	technology-and-computing	robotsllmsaihumans	emailphone	none
gauthamraju.com ↗	36 match 1 shared topics	Gautham Raju	en	technology-and-computing	robotsllmsaihumans	emailphone	none
astronomystation.com ↗	35 match 1 shared topics	Astronomy Station - Open Source Astronomical Weather Station	en	technology-and-computing	robotsllmsaihumans	emailphone	none
creativemaps.co.uk ↗	35 match 1 shared topics	Creative Maps - Custom Map Prints To Suit Your Style	United Kingdom en	maps-and-navigation WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ausomemaps.org ↗	35 match 1 shared topics	Ausome Maps	en	maps-and-navigation	robotsllmsaihumans	emailphone	none
esenet-research.org ↗	35 match 1 shared topics	Esenet Research Group \| Open-Source ECE Innovation	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.