OpenStack VS VMware NSX
As of 30 October 2026, VMware NSX is named by 204 companies and OpenStack by 411; OpenStack skews to companies under 200 people (45% vs 41%), VMware NSX to companies over 1,000 (34% 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 NSX 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 NSX: 2–200 employees
- 41%
- OpenStack: 1,000+ employees
- 34%
- VMware NSX: 1,000+ employees
- 34%
- Postings per company, 90 days
- 4.5 · 3.4
- 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 NSX | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 2 | 0% | 1 | 0% | even |
| 2-10 employees | 26 | 6% | 11 | 5% | even |
| 11-50 employees | 64 | 16% | 37 | 18% | VMware NSX |
| 51-200 employees | 97 | 24% | 36 | 18% | OpenStack |
| 201-500 employees | 54 | 13% | 28 | 14% | even |
| 501-1000 employees | 27 | 7% | 21 | 10% | VMware NSX |
| 1001-5000 employees | 69 | 17% | 29 | 14% | OpenStack |
| 5001-10000 employees | 22 | 5% | 13 | 6% | even |
| 10,001+ employees | 50 | 12% | 28 | 14% | even |
| Segment | OpenStack | share | VMware NSX | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 254 | 62% | 107 | 52% | OpenStack |
| Business & finance services | 45 | 11% | 33 | 16% | VMware NSX |
| Manufacturing & industry | 31 | 8% | 27 | 13% | VMware NSX |
| Utilities & infrastructure | 26 | 6% | 8 | 4% | OpenStack |
| Public, community & associations | 16 | 4% | 9 | 4% | even |
| Media & content | 12 | 3% | 5 | 2% | even |
| Consumer services & leisure | 11 | 3% | 3 | 1% | even |
| Property & construction | 7 | 2% | 2 | 1% | even |
| Commerce & trade | 3 | 1% | 2 | 1% | even |
| Health care | 2 | 0% | 4 | 2% | even |
| Transport, logistics & rental | 2 | 0% | 3 | 1% | even |
| Agriculture & forestry | 1 | 0% | – | – | outside top 12 |
| Hospitality & travel | – | – | 1 | 0% | outside top 12 |
| Segment | OpenStack | share | VMware NSX | share | Leans |
|---|---|---|---|---|---|
| United States | 209 | 51% | 120 | 59% | VMware NSX |
| Germany | 44 | 11% | 10 | 5% | OpenStack |
| France | 23 | 6% | 11 | 5% | even |
| United Kingdom | 23 | 6% | 16 | 8% | VMware NSX |
| Canada | 11 | 3% | 4 | 2% | even |
| Sweden | 10 | 2% | – | – | outside top 12 |
| Netherlands | 9 | 2% | 3 | 1% | even |
| India | 8 | 2% | 3 | 1% | even |
| Poland | 8 | 2% | – | – | outside top 12 |
| Italy | 7 | 2% | 8 | 4% | VMware NSX |
| Australia | 6 | 1% | 3 | 1% | even |
| Finland | 6 | 1% | – | – | outside top 12 |
| Belgium | – | – | 5 | 2% | outside top 12 |
| QA | – | – | 3 | 1% | outside top 12 |
| Switzerland | – | – | 2 | 1% | outside top 12 |
| Segment | OpenStack | share | VMware NSX | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,020 | 39% | 73 | 7% | OpenStack |
| IT operations & business systems | 737 | 28% | 657 | 67% | VMware NSX |
| Data & AI | 132 | 5% | – | – | outside top 12 |
| Engineering (non-software) | 106 | 4% | 50 | 5% | even |
| Sales | 73 | 3% | 25 | 3% | even |
| Product, program & project management | 71 | 3% | 14 | 1% | even |
| Customer service & success | 69 | 3% | 10 | 1% | even |
| Education & training | 9 | 0% | 4 | 0% | even |
| Logistics warehouse and transport | 6 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 6 | 0% | 2 | 0% | even |
| Marketing & communications | 5 | 0% | 2 | 0% | even |
| Finance & accounting | 4 | 0% | – | – | outside top 12 |
| General management & consulting | – | – | 7 | 1% | outside top 12 |
| Administration & office | – | – | 2 | 0% | outside top 12 |
| Construction and civil | – | – | 2 | 0% | outside top 12 |
The companies behind each column
Companies using OpenStack →
Companies using VMware NSX →
virtualization vdi ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
VMware NSX is named by 204 companies in job postings and OpenStack by 411; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/openstack-vs-vmware-nsx)
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 NSX: questions
Which is more used, OpenStack or VMware NSX?
By companies naming it in their own job postings, OpenStack (411) over VMware NSX (204). By website-and-DNS footprint, VMware NSX (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 41% for VMware NSX. 34% of OpenStack companies have over 1,000 employees, against 34% for VMware NSX.
Do companies run both?
0 companies name both in their postings, usually OpenStack in marketing and VMware NSX 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.
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
Filter on OpenStack or VMware NSX. Start free, no card.