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Simplexsimplex alternatives & similar sites

SimpleX Chat: private and secure messenger without any user IDs (not even random) — 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
simplexmq.org ↗	100 match 2 shared topics	SimpleX Chat: private and secure messenger without any user IDs (not even random)	en	information-and-network-security	robotsllmsaihumans	emailphone	none
adsmessenger.com ↗	66 match 2 shared topics	ADS Messenger - Secure Messaging with End-to-End Encryption	en	communication	robotsllmsaihumans	emailphone	none
p2psecret.com ↗	66 match 2 shared topics	P2Psecret.com - Start Sending Secret Messages Without Server Control	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyfrchat.com ↗	66 match 2 shared topics	Cyfr — Private, encrypted messaging	en	communication	robotsllmsaihumans	emailphone	none
destructivedata.com ↗	65 match 2 shared topics	DestructiveData - Secure Self-Destructing Encrypted Messages	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyphernote.net ↗	63 match 2 shared topics	Notes service for paranoid	en	information-and-network-security	robotsllmsaihumans	emailphone	none
jabberx.net ↗	63 match 2 shared topics	JabberX \| Free private XMPP chat service designed in sweeded hosted in Germany	en	information-and-network-security	robotsllmsaihumans	emailphone	none
jabberx.io ↗	63 match 2 shared topics	JabberX \| Free private XMPP chat service designed in sweeded hosted in Germany	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cypherbay.net ↗	62 match 2 shared topics	CypherBay — Anonymous End-to-End Encrypted Chat	en	communication	robotsllmsaihumans	emailphone	none
aegischat.org ↗	60 match 2 shared topics	AEGIS · redacted (visible text)	en	communication	robotsllmsaihumans	emailphone	none
webotpad.com ↗	60 match 2 shared topics	Stheleris WebOTPad	en	communication	robotsllmsaihumans	emailphone	none
2alo.org ↗	46 match 2 shared topics	2alo \| Absolute security for your chats \| Secure Messaging with End-to-End Encryption	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
minyma.app ↗	38 match 1 shared topics	Minyma - Private messaging for iPhone and iPad	en	communication	robotsllmsaihumans	emailphone	none
simplegear.org ↗	37 match 1 shared topics	PeerLink Messenger	en	communication	robotsllmsaihumans	emailphone	none
sirpass.app ↗	37 match 1 shared topics	Sir Pass - a simple and secure password generator	en	information-and-network-security	robotsllmsaihumans	emailphone	none
paidshield.com ↗	36 match 1 shared topics	PaidShield \| Secure Private Chat	en	information-and-network-security	robotsllmsaihumans	emailphone	none
cyang.io ↗	36 match 1 shared topics	cyang.io - Send private documents without losing control	en	information-and-network-security	robotsllmsaihumans	emailphone	none
outlinevpnofficial.com ↗	36 match 1 shared topics	Outline VPN – Private Self-Hosted VPN for Secure Access	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8

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.