Compare · offensive security forensics

Kali Linux VS Nmap_

As of 4 November 2026, Nmap is named by 399 companies and Kali Linux by 189; Kali Linux skews to companies under 200 people (37% vs 49%), Nmap to companies over 1,000 (29% vs 37%).

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Kali Linux's script and mail records show on hundreds of thousands of small sites, Nmap rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Kali Linux: 2–200 employees
37%
Nmap: 2–200 employees
49%
Kali Linux: 1,000+ employees
37%
Nmap: 1,000+ employees
29%
Postings per company, 90 days
2.0 · 2.0
Website or DNS footprint
0 · 0
189companies name Kali Linux
399companies name Nmap
137name both
377 · 785postings in 90 days, Kali Linux · Nmap
02 — Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentKali LinuxshareNmapshareLeans
Self-employed53%103%even
2-10 employees168%4311%Nmap
11-50 employees3116%7820%Nmap
51-200 employees2312%7419%Nmap
201-500 employees2714%4812%Kali Linux
501-1000 employees1810%308%Kali Linux
1001-5000 employees3016%4411%Kali Linux
5001-10000 employees137%267%even
10,001+ employees2614%4612%Kali Linux
By industry
SegmentKali LinuxshareNmapshareLeans
Technology & software9048%21554%Nmap
Business & finance services4624%7719%Kali Linux
Consumer services & leisure1910%246%Kali Linux
Manufacturing & industry126%308%even
Media & content63%92%even
Commerce & trade53%62%even
Public, community & associations53%123%even
Property & construction32%41%even
Transport, logistics & rental21%21%even
Automotive11%41%even
Utilities & infrastructure––133%outside top 12
Health care––21%outside top 12
By country
SegmentKali LinuxshareNmapshareLeans
United States11259%22055%Kali Linux
United Kingdom126%236%even
France95%174%even
Germany84%195%even
Australia53%51%even
India53%236%Nmap
Singapore42%51%even
Czechia21%––outside top 12
MY21%41%even
United Arab Emirates11%41%even
Belgium11%––outside top 12
Brazil11%41%even
Canada––72%outside top 12
Italy––72%outside top 12
Postings by team (share of each tool's postings)
SegmentKali LinuxshareNmapshareLeans
IT operations & business systems38374%76675%even
Education & training214%192%Kali Linux
Software engineering92%434%Nmap
Engineering (non-software)82%202%even
Unclassified41%61%even
Customer service & success31%101%even
facilities cleaning and security20%50%even
Finance & accounting20%50%even
General management & consulting20%30%even
Administration & office10%––outside top 12
Product, program & project management10%––outside top 12
research and science10%––outside top 12
Sales10%10%even
public safety and protective services––71%outside top 12
Data & AI––40%outside top 12
Marketing & communications––20%outside top 12
Design & UX––10%outside top 12
Quality, safety & environment––10%outside top 12
skilled trades and field service––10%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Nmap is named by 399 companies in job postings and Kali Linux by 189; 137 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/kali-linux-vs-nmap)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Kali Linux vs Nmap: questions

Which is more used, Kali Linux or Nmap?

By companies naming it in their own job postings, Nmap (399) over Kali Linux (189). By website-and-DNS footprint, Nmap (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Kali Linux?

37% of Kali Linux companies have 2 to 200 employees, against 49% for Nmap. 37% of Kali Linux companies have over 1,000 employees, against 29% for Nmap.

Do companies run both?

137 companies name both in their postings, usually Kali Linux in marketing and Nmap in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

Get either list your way

The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.

Every company on either tool,
with the person who owns it

Filter on Kali Linux or Nmap, and get 1,000 records free.

  1. 01Sign up, no card
  2. 02Connect Claude, ChatGPT or an API key
  3. 03Ask for your market, 1,000 records free