OpenStack VS VMware vCenter
As of 30 October 2026, VMware vCenter is named by 349 companies and OpenStack by 411; OpenStack skews to companies under 200 people (45% vs 34%), VMware vCenter to companies over 1,000 (37% 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: OpenStack's script and mail records show on hundreds of thousands of small sites, VMware vCenter rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- OpenStack: 2–200 employees
- 45%
- VMware vCenter: 2–200 employees
- 34%
- OpenStack: 1,000+ employees
- 34%
- VMware vCenter: 1,000+ employees
- 37%
- Postings per company, 90 days
- 4.5 · 3.2
- 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 | OpenStack | share | VMware vCenter | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 0% | 1 | 0% | even |
| 2-10 employees | 26 | 6% | 14 | 4% | OpenStack |
| 11-50 employees | 64 | 16% | 36 | 10% | OpenStack |
| 51-200 employees | 97 | 24% | 69 | 20% | OpenStack |
| 201-500 employees | 54 | 13% | 59 | 17% | VMware vCenter |
| 501-1000 employees | 27 | 7% | 40 | 11% | VMware vCenter |
| 1001-5000 employees | 69 | 17% | 65 | 19% | even |
| 5001-10000 employees | 22 | 5% | 22 | 6% | even |
| 10,001+ employees | 50 | 12% | 43 | 12% | even |
| Segment | OpenStack | share | VMware vCenter | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 254 | 62% | 162 | 46% | OpenStack |
| Business & finance services | 45 | 11% | 53 | 15% | VMware vCenter |
| Manufacturing & industry | 31 | 8% | 70 | 20% | VMware vCenter |
| Utilities & infrastructure | 26 | 6% | 9 | 3% | OpenStack |
| Public, community & associations | 16 | 4% | 12 | 3% | even |
| Media & content | 12 | 3% | 5 | 1% | even |
| Consumer services & leisure | 11 | 3% | 6 | 2% | even |
| Property & construction | 7 | 2% | 2 | 1% | even |
| Commerce & trade | 3 | 1% | 8 | 2% | even |
| Health care | 2 | 0% | 9 | 3% | VMware vCenter |
| Transport, logistics & rental | 2 | 0% | 8 | 2% | even |
| Agriculture & forestry | 1 | 0% | – | – | outside top 12 |
| Automotive | – | – | 3 | 1% | outside top 12 |
| Segment | OpenStack | share | VMware vCenter | share | Leans |
|---|---|---|---|---|---|
| United States | 209 | 51% | 222 | 64% | VMware vCenter |
| Germany | 44 | 11% | 17 | 5% | OpenStack |
| France | 23 | 6% | 10 | 3% | OpenStack |
| United Kingdom | 23 | 6% | 24 | 7% | even |
| Canada | 11 | 3% | 13 | 4% | even |
| Sweden | 10 | 2% | 4 | 1% | even |
| Netherlands | 9 | 2% | 6 | 2% | even |
| India | 8 | 2% | 6 | 2% | even |
| Poland | 8 | 2% | 5 | 1% | even |
| Italy | 7 | 2% | – | – | outside top 12 |
| Australia | 6 | 1% | – | – | outside top 12 |
| Finland | 6 | 1% | – | – | outside top 12 |
| Belgium | – | – | 4 | 1% | outside top 12 |
| Spain | – | – | 4 | 1% | outside top 12 |
| United Arab Emirates | – | – | 3 | 1% | outside top 12 |
| Segment | OpenStack | share | VMware vCenter | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,020 | 39% | 88 | 6% | OpenStack |
| IT operations & business systems | 737 | 28% | 1,023 | 68% | VMware vCenter |
| Data & AI | 132 | 5% | 5 | 0% | OpenStack |
| Engineering (non-software) | 106 | 4% | 125 | 8% | VMware vCenter |
| Sales | 73 | 3% | 9 | 1% | OpenStack |
| Product, program & project management | 71 | 3% | 27 | 2% | even |
| Customer service & success | 69 | 3% | 16 | 1% | even |
| Education & training | 9 | 0% | 23 | 2% | even |
| Logistics warehouse and transport | 6 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 6 | 0% | 2 | 0% | even |
| Marketing & communications | 5 | 0% | – | – | outside top 12 |
| Finance & accounting | 4 | 0% | – | – | outside top 12 |
| General management & consulting | – | – | 4 | 0% | outside top 12 |
| Research and science | – | – | 3 | 0% | outside top 12 |
| Skilled trades and field service | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using OpenStack →
Companies using VMware vCenter →
virtualization vdi ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
VMware vCenter is named by 349 companies in job postings and OpenStack by 411; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/openstack-vs-vmware-vcenter)
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.
OpenStack vs VMware vCenter: questions
Which is more used, OpenStack or VMware vCenter?
By companies naming it in their own job postings, OpenStack (411) over VMware vCenter (349). By website-and-DNS footprint, VMware vCenter (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses OpenStack?
45% of OpenStack companies have 2 to 200 employees, against 34% for VMware vCenter. 34% of OpenStack companies have over 1,000 employees, against 37% for VMware vCenter.
Do companies run both?
0 companies name both in their postings, usually OpenStack in marketing and VMware vCenter 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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