Apache Pulsar VS Celery
As of 30 October 2026, Celery is named by 353 companies and Apache Pulsar by 131; Apache Pulsar skews to companies under 200 people (48% vs 63%), Celery to companies over 1,000 (19% vs 34%).
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: Apache Pulsar's script and mail records show on hundreds of thousands of small sites, Celery rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache Pulsar: 2–200 employees
- 48%
- Celery: 2–200 employees
- 63%
- Apache Pulsar: 1,000+ employees
- 34%
- Celery: 1,000+ employees
- 19%
- Postings per company, 90 days
- 2.6 · 2.0
- 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 | Apache Pulsar | share | Celery | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 2% | 9 | 3% | even |
| 2-10 employees | 13 | 10% | 42 | 12% | even |
| 11-50 employees | 22 | 17% | 85 | 24% | Celery |
| 51-200 employees | 28 | 21% | 94 | 27% | Celery |
| 201-500 employees | 9 | 7% | 34 | 10% | Celery |
| 501-1000 employees | 13 | 10% | 22 | 6% | Apache Pulsar |
| 1001-5000 employees | 18 | 14% | 35 | 10% | Apache Pulsar |
| 5001-10000 employees | 8 | 6% | 14 | 4% | Apache Pulsar |
| 10,001+ employees | 18 | 14% | 18 | 5% | Apache Pulsar |
| Segment | Apache Pulsar | share | Celery | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 64 | 49% | 231 | 65% | Celery |
| Business & finance services | 37 | 28% | 55 | 16% | Apache Pulsar |
| Manufacturing & industry | 7 | 5% | 15 | 4% | even |
| Media & content | 7 | 5% | 16 | 5% | even |
| Utilities & infrastructure | 4 | 3% | 8 | 2% | even |
| Commerce & trade | 3 | 2% | 6 | 2% | even |
| Automotive | 2 | 2% | 1 | 0% | even |
| Consumer services & leisure | 2 | 2% | 6 | 2% | even |
| Transport, logistics & rental | 2 | 2% | – | – | outside top 12 |
| Public, community & associations | 1 | 1% | 5 | 1% | even |
| Health care | 1 | 1% | 2 | 1% | even |
| Property & construction | 1 | 1% | 4 | 1% | even |
| Hospitality & travel | – | – | 3 | 1% | outside top 12 |
| Segment | Apache Pulsar | share | Celery | share | Leans |
|---|---|---|---|---|---|
| United States | 92 | 70% | 224 | 63% | Apache Pulsar |
| United Kingdom | 7 | 5% | 18 | 5% | even |
| Portugal | 5 | 4% | – | – | outside top 12 |
| Germany | 3 | 2% | 15 | 4% | even |
| France | 3 | 2% | 13 | 4% | even |
| Belgium | 2 | 2% | 3 | 1% | even |
| Canada | 2 | 2% | 6 | 2% | even |
| India | 2 | 2% | 18 | 5% | Celery |
| Netherlands | 2 | 2% | 5 | 1% | even |
| Argentina | 1 | 1% | – | – | outside top 12 |
| Austria | 1 | 1% | – | – | outside top 12 |
| Australia | 1 | 1% | – | – | outside top 12 |
| Poland | – | – | 5 | 1% | outside top 12 |
| Singapore | – | – | 5 | 1% | outside top 12 |
| Switzerland | – | – | 4 | 1% | outside top 12 |
| Czechia | – | – | 4 | 1% | outside top 12 |
| Segment | Apache Pulsar | share | Celery | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 256 | 54% | 816 | 80% | Celery |
| Data & AI | 91 | 19% | 108 | 11% | Apache Pulsar |
| Engineering (non-software) | 35 | 7% | 8 | 1% | Apache Pulsar |
| IT operations & business systems | 19 | 4% | 15 | 1% | Apache Pulsar |
| Marketing & communications | 7 | 1% | 1 | 0% | even |
| Product, program & project management | 5 | 1% | 4 | 0% | even |
| Sales | 5 | 1% | – | – | outside top 12 |
| Logistics warehouse and transport | 3 | 1% | – | – | outside top 12 |
| Business development & strategy | 2 | 0% | – | – | outside top 12 |
| Customer service & success | 2 | 0% | – | – | outside top 12 |
| General management & consulting | 2 | 0% | – | – | outside top 12 |
| Manufacturing and production | 2 | 0% | – | – | outside top 12 |
| Unclassified | – | – | 2 | 0% | outside top 12 |
| Construction and civil | – | – | 1 | 0% | outside top 12 |
| Human resources | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Apache Pulsar →
Companies using Celery →
message brokers streaming ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Celery is named by 353 companies in job postings and Apache Pulsar by 131; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-pulsar-vs-celery)
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.
Apache Pulsar vs Celery: questions
Which is more used, Apache Pulsar or Celery?
By companies naming it in their own job postings, Celery (353) over Apache Pulsar (131). By website-and-DNS footprint, Celery (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache Pulsar?
48% of Apache Pulsar companies have 2 to 200 employees, against 63% for Celery. 34% of Apache Pulsar companies have over 1,000 employees, against 19% for Celery.
Do companies run both?
0 companies name both in their postings, usually Apache Pulsar in marketing and Celery 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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