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Openkeychain alternatives & similar sites

OpenKeychain · OpenKeychain — 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
keychainpgp.org ↗	65 match 2 shared topics	KeychainPGP — Simple, Cross-Platform OpenPGP Encryption	en	information-and-network-security	robots llmsaihumans	emailphone	none
amaprods.com ↗	64 match 2 shared topics	mChatHive	en	software-and-applications	robotsllmsaihumans	emailphone	none
cullenwatson.org ↗	64 match 2 shared topics	The Cullen Watson Open Source Initiative	en	information-and-network-security	robotsllmsaihumans	emailphone	none
3it.dev ↗	64 match 2 shared topics	3IT.dev — Evidence Chain Behind Every Claim	en	information-and-network-security	robotsllmsaihumans	emailphone	none
keycloak.org ↗	63 match 2 shared topics	Keycloak	en	software-and-applications	robotsllmsaihumans	emailphone	none
chaindetective.io ↗	63 match 2 shared topics	ChainDetective — Blockchain Forensics & Crypto Theft Investigation Tool	en	information-and-network-security	robotsllmsaihumans	emailphone	none
transparium.com ↗	63 match 2 shared topics	EtherURL - Blockchain Certificate Management	en	information-and-network-security	robotsllmsaihumans	emailphone	none
fleetdm.com ↗	63 match 2 shared topics	Fleet \| Open MDM + patching + vuln management for every OS	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
fleetdom.com ↗	63 match 2 shared topics	Fleet \| Open MDM + patching + vuln management for every OS	en	information-and-network-security	robotsllmsaihumans	emailphone	none
2fass.com ↗	63 match 2 shared topics	2FAS — Authenticator and Password Manager	United States~ en	information-and-network-security	robotsllmsaihumans	emailphone	none
2fas.com ↗	63 match 2 shared topics	2FAS — Authenticator and Password Manager	United States~ en	information-and-network-security	robots llmsaihumans	emailphone	none
altme.com ↗	63 match 2 shared topics	AltME - Secure Messaging and Instant Applications	en	information-and-network-security	robotsllmsaihumans	emailphone	none
kastell.dev ↗	62 match 2 shared topics	Kastell — Open Source Server Security & Infrastructure CLI	en	information-and-network-security	robotsllmsaihumans	emailphone	none
transfersecurefiles.com ↗	62 match 2 shared topics	Secure Messaging Portal \| SFS	en	information-and-network-security	robotsllmsaihumans	emailphone	none
deliveryslip.com ↗	62 match 2 shared topics	Secure Messaging Portal \| SFS	en	information-and-network-security	robotsllmsaihumans	emailphone	none
privyie.com ↗	62 match 2 shared topics	PRIVYIE – The most secure and private two-factor authentication mobile app with secret notes	en	software-and-applications WordPress	robotsllmsaihumans	email phone	none
casvisor.org ↗	62 match 2 shared topics	Casvisor \| Casvisor · An open-source security log auditing & RDP, VNC, SSH and databases management bastion platform	en	information-and-network-security	robotsllmsaihumans	emailphone	none
2fabuddy.com ↗	62 match 2 shared topics	2FA Buddy - A Tool To Easily Share Your 2FA Security Codes	en	software-and-applications	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.