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Cacert alternatives & similar sites

Welcome to CAcert.org — 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 Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
seclists.org ↗	85 match shared topic	SecLists.Org Security Mailing List Archive	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 1
greenend.org.uk ↗	85 match shared topic	The Green End Organisation	United Kingdom en	information-and-network-security	robotsllmsaihumans	emailphone	none
insecure.org ↗	85 match shared topic	Insecure.Org - Nmap Free Security Scanner, Tools & Hacking resources	en	information-and-network-security	robotsllmsaihumans	emailphone	none
sectools.org ↗	85 match shared topic	SecTools.Org Top Network Security Tools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cacert.org ↗	85 match shared topic	Welcome to CAcert.org		information-and-network-security	robotsllmsaihumans	emailphone	none
btchelp.org ↗	85 match shared topic	Bitcoin Only Wallet Recovery - BTCHELP.org	en	information-and-network-security WordPress	robots llmsaihumans	emailphone	none
pafipemkosubulussalam.org ↗	85 match shared topic	DigitalWatchdog.org \| Digital Privacy & Cyber Security Investigation	id	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
backbox.org ↗	85 match shared topic	BackBox.org – A Free Open Source Community Project	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
ipfire.org ↗	85 match shared topic	www.ipfire.org - Welcome to IPFire	en	information-and-network-security	robotsllmsaihumans	emailphone	none
ostif.org ↗	85 match shared topic	OSTIF.org – Securing Open Source for the World	en	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
vecozo.nl ↗	85 match shared topic	Van én voor de zorg \| VECOZO	Netherlands nl	information-and-network-security	robotsllmsaihumans	emailphone	none
datamotion.com ↗	85 match shared topic	Secure Data Exchange for Regulated Organizations \| DataMotion	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
zorgttp.nl ↗	85 match shared topic	ZorgTTP \| Data veilig delen	Netherlands nl	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ockto.eu ↗	85 match shared topic	Ockto verbindt organisaties met data - en mensen met hun doelen - makkelijk en veilig gegevens delen	European Union nl	information-and-network-security HubSpot	robots llmsaihumans	emailphone	none
sidn.nl ↗	58 match shared topic	Zorgeloos online \| SIDN	Netherlands nl	information-and-network-security	robotsllmsaihumans	emailphone	none
dmca.com ↗	55 match shared topic	Content Protection and Takedown Company Since 2006 \| DMCA.com	en	information-and-network-security	robotsllmsaihumans	emailphone	none
wpguardian.io ↗	55 match shared topic	Effective Security for WordPress Sites- WPGuardian	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
w3id.org ↗	58 match shared topic	w3id.org - Permanent Identifiers for the Web	en	information-and-network-security	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.