Compare · utility libraries

asyncio VS RxJS_

As of 4 November 2026, RxJS is named by 434 companies and asyncio by 228; asyncio skews to companies under 200 people (47% vs 51%), RxJS to companies over 1,000 (25% vs 23%).

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: asyncio's script and mail records show on hundreds of thousands of small sites, RxJS rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

asyncio: 2–200 employees
47%
RxJS: 2–200 employees
51%
asyncio: 1,000+ employees
23%
RxJS: 1,000+ employees
25%
Postings per company, 90 days
2.5 · 2.4
Website or DNS footprint
0 · 0
228companies name asyncio
434companies name RxJS
0name both
568 · 1,052postings in 90 days, asyncio · RxJS
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
SegmentasyncioshareRxJSshareLeans
Self-employed146%102%asyncio
2-10 employees2611%4310%even
11-50 employees3716%9321%RxJS
51-200 employees4520%8720%even
201-500 employees3616%5112%asyncio
501-1000 employees188%4310%RxJS
1001-5000 employees2812%5212%even
5001-10000 employees52%184%even
10,001+ employees198%379%even
By industry
SegmentasyncioshareRxJSshareLeans
Technology & software13559%28265%RxJS
Business & finance services4018%7417%even
Manufacturing & industry2310%297%asyncio
Public, community & associations73%20%asyncio
Consumer services & leisure63%113%even
Media & content52%102%even
Utilities & infrastructure52%72%even
Property & construction21%41%even
Transport, logistics & rental21%61%even
Automotive10%20%even
Commerce & trade10%20%even
Health care10%31%even
By country
SegmentasyncioshareRxJSshareLeans
United States14363%20247%asyncio
United Kingdom198%256%asyncio
France94%205%even
India84%338%RxJS
Switzerland63%––outside top 12
Germany63%246%RxJS
Canada42%72%even
Singapore42%––outside top 12
Spain31%92%even
Colombia21%––outside top 12
Netherlands21%92%even
Poland21%174%RxJS
Italy––133%outside top 12
Brazil––113%outside top 12
Austria––51%outside top 12
Postings by team (share of each tool's postings)
SegmentasyncioshareRxJSshareLeans
Software engineering49568%1,28794%RxJS
Data & AI17624%50%asyncio
IT operations & business systems122%81%even
Engineering (non-software)51%30%even
construction and civil30%––outside top 12
Finance & accounting20%50%even
Marketing & communications20%40%even
Design & UX10%10%even
Unclassified10%40%even
Customer service & success––10%outside top 12
General management & consulting––10%outside top 12
Human resources––10%outside top 12
Product, program & project management––10%outside top 12
Sales––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.

RxJS is named by 434 companies in job postings and asyncio by 228; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/asyncio-vs-rxjs)
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

asyncio vs RxJS: questions

Which is more used, asyncio or RxJS?

By companies naming it in their own job postings, RxJS (434) over asyncio (228). By website-and-DNS footprint, RxJS (0 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses asyncio?

47% of asyncio companies have 2 to 200 employees, against 51% for RxJS. 23% of asyncio companies have over 1,000 employees, against 25% for RxJS.

Do companies run both?

0 companies name both in their postings, usually asyncio in marketing and RxJS 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

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