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Nmap alternatives & similar sites

CVE Tools — The CVE database that answers back — 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
domaintools.com ↗	61 match shared topic	Threat Intelligence & Domain Security Platform \| DomainTools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
insecure.org ↗	61 match shared topic	Insecure.Org - Nmap Free Security Scanner, Tools & Hacking resources	en	information-and-network-security	robotsllmsaihumans	emailphone	none
sectools.org ↗	61 match shared topic	SecTools.Org Top Network Security Tools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
exploit-db.com ↗	61 match shared topic	Exploit Database - Exploits for Penetration Testers, Researchers, and Ethical Hackers	en	information-and-network-security	robotsllmsaihumans	emailphone	none
privacytools.io ↗	61 match shared topic	Best Privacy Tools & Software Guide in 2026	en	information-and-network-security	robotsllmsaihumans	emailphone	none
i-evolve.com ↗	61 match shared topic	Business VOIP Phones Buffalo NY \| Data Backup \| Network Security	en	information-and-network-security Concrete5	robotsllmsaihumans	emailphone	none
expertinsights.com ↗	61 match shared topic	Expert Insights \| Actionable guidance and tools to enable smarter cybersecurity and cloud IT decisions for your business.	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
spamfighter.com ↗	61 match shared topic	PC optimization, PC security and spam filters for clients and servers - FIGHTERtools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
zerossl.com ↗	61 match shared topic	Free SSL Certificates and SSL Tools - ZeroSSL	en	information-and-network-security	robotsllmsaihumans	emailphone	none
backbox.org ↗	61 match shared topic	BackBox.org – A Free Open Source Community Project	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
gridinsoft.com ↗	61 match shared topic	Gridinsoft: Cybersecurity Tools for Malware & Phishing Defense	en	information-and-network-security	robotsllmsaihumans	emailphone	none
pentest-tools.com ↗	61 match shared topic	Pentesting & vulnerability assessment toolkit - Pentest-Tools.com	en	information-and-network-security	robots llmsaihumans	emailphone	none
osint.industries ↗	61 match shared topic	OSINT Industries \| Powerful Tools For Online Investigations	en	information-and-network-security	robotsllmsaihumans	emailphone	none
dnslytics.com ↗	61 match shared topic	Online investigation tool - Reverse IP, NS, MX, WHOIS and Search Tools	en	information-and-network-security	robotsllmsaihumans	emailphone	none
securitybriefing.net ↗	61 match shared topic	Security Briefing \| Cybersecurity News, Security Tools & Online Safety Guides	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
hackertarget.com ↗	61 match shared topic	28 Online Vulnerability Scanners & Network Tools	en	information-and-network-security WordPress	robotsllmsaihumans	emailphone	none
dnsbl.info ↗	61 match shared topic	DNSBL Information - Spam Database and Blacklist Check	en	information-and-network-security	robotsllmsaihumans	emailphone	none
gambitid.com ↗	61 match shared topic	Gambit ID - World-class Security Screening and Background Checks	United States~ en	information-and-network-security	robotsllmsaihumans	email phone	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.