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Cyph – Encrypted Messenger — 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
cyphrmessenger.app ↗	69 match 1 shared topics	Qlavis™ · Messenger — Post-Quantum Encrypted Communications	en	information-and-network-security	robotsllmsaihumans	emailphone	none
rmail.com ↗	69 match 1 shared topics	Secure Email – RMail is Free Encrypted Email	en	information-and-network-security	robotsllmsaihumans	emailphone	none
chatmailsecure.com ↗	67 match 1 shared topics	ChatMail \| Encrypted Communications	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyphorm.com ↗	67 match 1 shared topics	Cyphorm — Zero Knowledge Encrypted Form Builder	en	information-and-network-security	robotsllmsaihumans	emailphone	none
1stamendmentencryptedopenness.com ↗	67 match 1 shared topics	1st Amendment Encrypted Openness LLC	en	information-and-network-security	robotsllmsaihumans	emailphone	none
ifiamgone.app ↗	67 match 1 shared topics	IfIAmGone — Zero-Knowledge Encrypted Digital Legacy Vault	en	information-and-network-security	robots llmsaihumans	emailphone	none
classwebsite.org ↗	67 match 1 shared topics	Get Office LAN messenger for secure chats.	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
hedwig.app ↗	67 match 1 shared topics	hedwig: Encrypted one-time link · share a secret once	en	information-and-network-security	robotsllmsaihumans	emailphone	none
7tunnels.com ↗	66 match 1 shared topics	7Tunnels – Superior Encryption	en	information-and-network-security WordPress WooCommerce	robotsllmsaihumans	emailphone	none
afhe.io ↗	66 match 1 shared topics	Aura FHE — The Encrypted Compute Layer for Solana	en	information-and-network-security	robots llmsaihumans	emailphone	none
easypgp.io ↗	66 match 1 shared topics	EasyPGP - Secure PGP Encryption	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
2favault.app ↗	66 match 1 shared topics	Secure Authenticator — Fast, Encrypted 2FA for Chrome	en	information-and-network-security	robots llmsaihumans	emailphone	none
miragedocs.com ↗	66 match 1 shared topics	MirageDocs - Secure Encrypted File Sharing \| Self-Destructing Links	en	information-and-network-security	robotsllmsaihumans	emailphone	none
dotbge.com ↗	66 match 1 shared topics	The .bge Format — An Open Container for Encrypted Files	en	information-and-network-security	robots llmsaihumans	emailphone	none
cipherstack.app ↗	65 match 1 shared topics	CipherStack \| Secure Browser Encryption Tools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
hidemysecrets.com ↗	65 match 1 shared topics	Encrypted File and password security: Hide my Secrets™	en	information-and-network-security	robotsllmsaihumans	emailphone	none
ciphera.net ↗	65 match 1 shared topics	Ciphera - Privacy-First Zero-Knowledge Encryption	en	information-and-network-security	robots llmsaihumans	emailphone	full · 17
chaskio.io ↗	65 match 1 shared topics	Chaskio – Secure file sharing with end-to-end encryption	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.