Java Message Service VS RabbitMQ
As of 30 October 2026, RabbitMQ is named by 1,917 companies and Java Message Service by 425; Java Message Service skews to companies under 200 people (42% vs 49%), RabbitMQ to companies over 1,000 (26% vs 31%).
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: Java Message Service's script and mail records show on hundreds of thousands of small sites, RabbitMQ rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Java Message Service: 2–200 employees
- 42%
- RabbitMQ: 2–200 employees
- 49%
- Java Message Service: 1,000+ employees
- 31%
- RabbitMQ: 1,000+ employees
- 26%
- Postings per company, 90 days
- 2.7 · 2.6
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Java Message Service | share | RabbitMQ | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 6 | 1% | 24 | 1% | even |
| 2-10 employees | 24 | 6% | 132 | 7% | even |
| 11-50 employees | 65 | 15% | 354 | 18% | RabbitMQ |
| 51-200 employees | 90 | 21% | 455 | 24% | RabbitMQ |
| 201-500 employees | 69 | 16% | 271 | 14% | Java Message Service |
| 501-1000 employees | 39 | 9% | 187 | 10% | even |
| 1001-5000 employees | 51 | 12% | 276 | 14% | RabbitMQ |
| 5001-10000 employees | 18 | 4% | 78 | 4% | even |
| 10,001+ employees | 63 | 15% | 140 | 7% | Java Message Service |
| Segment | Java Message Service | share | RabbitMQ | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 257 | 60% | 1,132 | 59% | even |
| Business & finance services | 91 | 21% | 353 | 18% | Java Message Service |
| Manufacturing & industry | 23 | 5% | 118 | 6% | even |
| Consumer services & leisure | 10 | 2% | 34 | 2% | even |
| Commerce & trade | 9 | 2% | 46 | 2% | even |
| Utilities & infrastructure | 8 | 2% | 52 | 3% | even |
| Public, community & associations | 7 | 2% | 20 | 1% | even |
| Media & content | 6 | 1% | 59 | 3% | even |
| Property & construction | 5 | 1% | – | – | outside top 12 |
| Transport, logistics & rental | 5 | 1% | 26 | 1% | even |
| Health care | 3 | 1% | 19 | 1% | even |
| Automotive | 1 | 0% | 21 | 1% | even |
| Hospitality & travel | – | – | 21 | 1% | outside top 12 |
| Segment | Java Message Service | share | RabbitMQ | share | Leans |
|---|---|---|---|---|---|
| United States | 255 | 60% | 992 | 52% | Java Message Service |
| United Kingdom | 26 | 6% | 148 | 8% | even |
| India | 21 | 5% | 72 | 4% | even |
| France | 17 | 4% | 93 | 5% | even |
| Germany | 13 | 3% | 86 | 4% | even |
| Canada | 8 | 2% | 27 | 1% | even |
| Sweden | 8 | 2% | – | – | outside top 12 |
| Switzerland | 7 | 2% | 21 | 1% | even |
| Poland | 6 | 1% | 45 | 2% | even |
| Singapore | 5 | 1% | – | – | outside top 12 |
| Australia | 4 | 1% | – | – | outside top 12 |
| Belgium | 4 | 1% | 25 | 1% | even |
| Brazil | – | – | 52 | 3% | outside top 12 |
| Netherlands | – | – | 32 | 2% | outside top 12 |
| Spain | – | – | 21 | 1% | outside top 12 |
| Segment | Java Message Service | share | RabbitMQ | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,594 | 73% | 5,544 | 80% | RabbitMQ |
| IT operations & business systems | 214 | 10% | 361 | 5% | Java Message Service |
| Data & AI | 28 | 1% | 330 | 5% | RabbitMQ |
| Engineering (non-software) | 22 | 1% | 74 | 1% | even |
| Product, program & project management | 8 | 0% | 42 | 1% | even |
| Sales | 7 | 0% | 21 | 0% | even |
| Public safety and protective services | 5 | 0% | – | – | outside top 12 |
| Customer service & success | 4 | 0% | 18 | 0% | even |
| Logistics warehouse and transport | 4 | 0% | – | – | outside top 12 |
| Construction and civil | 3 | 0% | 6 | 0% | even |
| Design & UX | 3 | 0% | – | – | outside top 12 |
| Finance & accounting | 3 | 0% | – | – | outside top 12 |
| Unclassified | – | – | 17 | 0% | outside top 12 |
| Marketing & communications | – | – | 8 | 0% | outside top 12 |
| General management & consulting | – | – | 5 | 0% | outside top 12 |
| Quality, safety & environment | – | – | 4 | 0% | outside top 12 |
The companies behind each column
Companies using Java Message Service →
Companies using RabbitMQ →
message brokers streaming ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
RabbitMQ is named by 1,917 companies in job postings and Java Message Service by 425; 102 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/jms-vs-rabbitmq)
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.
Java Message Service vs RabbitMQ: questions
Which is more used, Java Message Service or RabbitMQ?
By companies naming it in their own job postings, RabbitMQ (1,917) over Java Message Service (425). By website-and-DNS footprint, RabbitMQ (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Java Message Service?
42% of Java Message Service companies have 2 to 200 employees, against 49% for RabbitMQ. 31% of Java Message Service companies have over 1,000 employees, against 26% for RabbitMQ.
Do companies run both?
102 companies name both in their postings, usually Java Message Service in marketing and RabbitMQ 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.
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