Compare · iot platforms protocols

DDS (Data Distribution Service) VS UART_

As of 30 October 2026, UART is named by 937 companies and DDS (Data Distribution Service) by 194; DDS (Data Distribution Service) skews to companies under 200 people (46% vs 53%), UART to companies over 1,000 (23% vs 29%).

As of 30 October 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: DDS (Data Distribution Service)'s script and mail records show on hundreds of thousands of small sites, UART rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

DDS (Data Distribution Service): 2–200 employees
46%
UART: 2–200 employees
53%
DDS (Data Distribution Service): 1,000+ employees
29%
UART: 1,000+ employees
23%
Postings per company, 90 days
2.8 · 2.9
Website or DNS footprint
0 · 0
194companies name DDS (Data Distribution Service)
937companies name UART
0name both
545 · 2,742postings in 90 days, DDS (Data Distribution Service) · UART
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
SegmentDDS (Data Distribution Service)shareUARTshareLeans
Self-employed21%111%even
2-10 employees2613%10711%even
11-50 employees2613%17519%UART
51-200 employees3820%21823%UART
201-500 employees2312%14315%UART
501-1000 employees2312%687%DDS (Data Distribution Service)
1001-5000 employees2111%9710%even
5001-10000 employees53%334%even
10,001+ employees3015%859%DDS (Data Distribution Service)
By industry
SegmentDDS (Data Distribution Service)shareUARTshareLeans
Manufacturing & industry7438%44347%UART
Technology & software4121%23125%UART
Business & finance services1910%879%even
Automotive126%394%DDS (Data Distribution Service)
Property & construction116%131%DDS (Data Distribution Service)
Public, community & associations74%172%even
Transport, logistics & rental74%131%DDS (Data Distribution Service)
Utilities & infrastructure74%283%even
Commerce & trade63%293%even
Media & content42%141%even
Health care32%61%even
Consumer services & leisure21%121%even
By country
SegmentDDS (Data Distribution Service)shareUARTshareLeans
United States12966%57962%DDS (Data Distribution Service)
Germany2312%536%DDS (Data Distribution Service)
United Kingdom84%475%even
France53%253%even
Switzerland32%101%even
India32%303%even
Canada21%232%even
Spain21%91%even
Netherlands21%162%even
Norway21%––outside top 12
Singapore21%––outside top 12
United Arab Emirates11%––outside top 12
Sweden––172%outside top 12
Poland––152%outside top 12
Australia––101%outside top 12
Postings by team (share of each tool's postings)
SegmentDDS (Data Distribution Service)shareUARTshareLeans
Software engineering31741%2,02054%UART
Engineering (non-software)17022%1,29834%UART
Marketing & communications233%––outside top 12
IT operations & business systems223%772%even
Data & AI172%80%even
Finance & accounting142%––outside top 12
Quality, safety & environment111%261%even
Sales111%291%even
Product, program & project management101%40%even
construction and civil61%––outside top 12
skilled trades and field service61%70%even
Design & UX41%60%even
research and science––50%outside top 12
Customer service & success––40%outside top 12
Unclassified––40%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.

UART is named by 937 companies in job postings and DDS (Data Distribution Service) by 194; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/dds-vs-uart)
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

DDS (Data Distribution Service) vs UART: questions

Which is more used, DDS (Data Distribution Service) or UART?

By companies naming it in their own job postings, UART (937) over DDS (Data Distribution Service) (194). By website-and-DNS footprint, UART (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses DDS (Data Distribution Service)?

46% of DDS (Data Distribution Service) companies have 2 to 200 employees, against 53% for UART. 29% of DDS (Data Distribution Service) companies have over 1,000 employees, against 23% for UART.

Do companies run both?

0 companies name both in their postings, usually DDS (Data Distribution Service) in marketing and UART 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

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

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