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Withopf alternatives & similar sites

Homepage von Matthias Withopf — 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
kevla.online ↗	60 match 2 shared topics	Kevla TrustDocS \| Sichere SaaS für Dokumentenaustausch & -management	de	software-and-applications	robotsllmsaihumans	emailphone	none
w8p.ovh ↗	60 match 2 shared topics	DocuVail	de	information-and-network-security	robotsllmsaihumans	emailphone	none
skysend.app ↗	60 match 2 shared topics	SkySend \| Encrypted File & Note Sharing	de	information-and-network-security	robotsllmsaihumans	emailphone	none
crypttrap.com ↗	60 match 2 shared topics	CRYPTTRAP — Cybersecurity Software	de	information-and-network-security	robotsllmsaihumans	emailphone	none
decrypta-technologies.com ↗	60 match 2 shared topics	Decrypta Technologies - IT Forensics & Trace Analysis Solutions	de	information-and-network-security	robotsllmsaihumans	emailphone	none
dernium.cloud ↗	60 match 2 shared topics	Dernium - Digitale Sicherheit: einfach, kompromisslos, souverän.	de	information-and-network-security	robots llms aihumans	emailphone	none
dernium.tech ↗	60 match 2 shared topics	Dernium - Digitale Sicherheit: einfach, kompromisslos, souverän.	Germany~ de	information-and-network-security	robots llms aihumans	emailphone	none
divera247.app ↗	60 match 2 shared topics	DIVERA 24/7 – Verfügbarkeitssystem, Alarmierung, Einsatzmonitor \| DIVERA 24/7	de	information-and-network-security	robotsllmsaihumans	emailphone	none
divera247.com ↗	60 match 2 shared topics	DIVERA 24/7 – Verfügbarkeitssystem, Alarmierung, Einsatzmonitor \| DIVERA 24/7	de	information-and-network-security	robotsllmsaihumans	emailphone	none
document-right-management.com ↗	60 match 2 shared topics	NovaPath - Informationsklassifizierung und Know-how-Schutz	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
documentrightmanagement.com ↗	60 match 2 shared topics	NovaPath - Informationsklassifizierung und Know-how-Schutz	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
dokumentenklassifizierung.com ↗	60 match 2 shared topics	NovaPath - Informationsklassifizierung und Know-how-Schutz	de	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
2s-gmbh.com ↗	60 match 2 shared topics	Herzlich willkommen bei der 2S - Security Solutions GmbH	de	software-and-applications	robotsllmsaihumans	emailphone	none
2sgmbh.com ↗	60 match 2 shared topics	Herzlich willkommen bei der 2S - Security Solutions GmbH	de	software-and-applications	robotsllmsaihumans	emailphone	none
7p-mdm.com ↗	60 match 2 shared topics	Mobile Device Management - 7P MDM	de	information-and-network-security WordPress	robotsllmsaihumans	email phone	none
a1id.org ↗	60 match 2 shared topics	A1ID – Integrity Layer	de	software-and-applications	robotsllmsaihumans	emailphone	none
aether-one.tech ↗	60 match 2 shared topics	AetherOne Softwareschmiede — Software die schützt.	de	information-and-network-security	robotsllmsaihumans	email phone	partial · 8
freecybersecurity.org ↗	60 match 2 shared topics	Freies Open Cyber-Security Analyse Framework \| Security für alle	de	information-and-network-security WordPress	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.