Kustomize VS OPA Gatekeeper
As of 30 October 2026, OPA Gatekeeper is named by 103 companies and Kustomize by 233; Kustomize skews to companies under 200 people (44% vs 37%), OPA Gatekeeper to companies over 1,000 (39% vs 30%).
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: Kustomize's script and mail records show on hundreds of thousands of small sites, OPA Gatekeeper rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Kustomize: 2–200 employees
- 44%
- OPA Gatekeeper: 2–200 employees
- 37%
- Kustomize: 1,000+ employees
- 30%
- OPA Gatekeeper: 1,000+ employees
- 39%
- Postings per company, 90 days
- 2.0 · 2.2
- 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 | Kustomize | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | – | – | outside top 12 |
| 2-10 employees | 19 | 8% | 5 | 5% | Kustomize |
| 11-50 employees | 25 | 11% | 15 | 15% | OPA Gatekeeper |
| 51-200 employees | 58 | 25% | 18 | 17% | Kustomize |
| 201-500 employees | 30 | 13% | 16 | 16% | OPA Gatekeeper |
| 501-1000 employees | 27 | 12% | 9 | 9% | Kustomize |
| 1001-5000 employees | 35 | 15% | 19 | 18% | OPA Gatekeeper |
| 5001-10000 employees | 12 | 5% | 10 | 10% | OPA Gatekeeper |
| 10,001+ employees | 24 | 10% | 11 | 11% | even |
| Segment | Kustomize | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 136 | 58% | 46 | 45% | Kustomize |
| Business & finance services | 37 | 16% | 22 | 21% | OPA Gatekeeper |
| Manufacturing & industry | 25 | 11% | 14 | 14% | OPA Gatekeeper |
| Media & content | 9 | 4% | 3 | 3% | even |
| Public, community & associations | 8 | 3% | 4 | 4% | even |
| Commerce & trade | 6 | 3% | 1 | 1% | even |
| Utilities & infrastructure | 5 | 2% | – | – | outside top 12 |
| Consumer services & leisure | 2 | 1% | 1 | 1% | even |
| Hospitality & travel | 2 | 1% | 1 | 1% | even |
| Automotive | 1 | 0% | 1 | 1% | even |
| Property & construction | 1 | 0% | 4 | 4% | OPA Gatekeeper |
| Transport, logistics & rental | 1 | 0% | 2 | 2% | even |
| Health care | – | – | 3 | 3% | outside top 12 |
| Segment | Kustomize | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| United States | 151 | 65% | 70 | 68% | OPA Gatekeeper |
| United Kingdom | 19 | 8% | 11 | 11% | OPA Gatekeeper |
| Germany | 13 | 6% | 3 | 3% | Kustomize |
| France | 11 | 5% | – | – | outside top 12 |
| Switzerland | 5 | 2% | 1 | 1% | even |
| Spain | 5 | 2% | 1 | 1% | even |
| Australia | 3 | 1% | 3 | 3% | even |
| Belgium | 3 | 1% | 1 | 1% | even |
| United Arab Emirates | 2 | 1% | 1 | 1% | even |
| Austria | 2 | 1% | – | – | outside top 12 |
| Finland | 2 | 1% | – | – | outside top 12 |
| Japan | 2 | 1% | – | – | outside top 12 |
| Canada | – | – | 2 | 2% | outside top 12 |
| Poland | – | – | 2 | 2% | outside top 12 |
| Singapore | – | – | 2 | 2% | outside top 12 |
| Denmark | – | – | 1 | 1% | outside top 12 |
| Segment | Kustomize | share | OPA Gatekeeper | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 460 | 73% | 135 | 49% | Kustomize |
| IT operations & business systems | 84 | 13% | 65 | 23% | OPA Gatekeeper |
| Data & AI | 31 | 5% | 5 | 2% | Kustomize |
| Engineering (non-software) | 8 | 1% | 10 | 4% | OPA Gatekeeper |
| Administration & office | 2 | 0% | 3 | 1% | even |
| Marketing & communications | 2 | 0% | – | – | outside top 12 |
| Customer service & success | 1 | 0% | 2 | 1% | even |
| Product, program & project management | 1 | 0% | 9 | 3% | OPA Gatekeeper |
| Sales | – | – | 6 | 2% | outside top 12 |
| Procurement and purchasing | – | – | 5 | 2% | outside top 12 |
| Finance & accounting | – | – | 2 | 1% | outside top 12 |
| Legal, compliance & risk | – | – | 2 | 1% | outside top 12 |
| Skilled trades and field service | – | – | 2 | 1% | outside top 12 |
The companies behind each column
Companies using Kustomize →
Companies using OPA Gatekeeper →
container orchestration ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
OPA Gatekeeper is named by 103 companies in job postings and Kustomize by 233; 28 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/kustomize-vs-opa-gatekeeper)
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.
Kustomize vs OPA Gatekeeper: questions
Which is more used, Kustomize or OPA Gatekeeper?
By companies naming it in their own job postings, Kustomize (233) over OPA Gatekeeper (103). By website-and-DNS footprint, OPA Gatekeeper (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Kustomize?
44% of Kustomize companies have 2 to 200 employees, against 37% for OPA Gatekeeper. 30% of Kustomize companies have over 1,000 employees, against 39% for OPA Gatekeeper.
Do companies run both?
28 companies name both in their postings, usually Kustomize in marketing and OPA Gatekeeper 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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