Keycloak VS OpenID Connect
As of 30 October 2026, OpenID Connect is named by 1,965 companies and Keycloak by 414; Keycloak skews to companies under 200 people (47% vs 37%), OpenID Connect to companies over 1,000 (38% vs 26%).
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: Keycloak's script and mail records show on hundreds of thousands of small sites, OpenID Connect rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Keycloak: 2–200 employees
- 47%
- OpenID Connect: 2–200 employees
- 37%
- Keycloak: 1,000+ employees
- 26%
- OpenID Connect: 1,000+ employees
- 38%
- Postings per company, 90 days
- 2.3 · 2.7
- 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 | Keycloak | share | OpenID Connect | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 19 | 1% | even |
| 2-10 employees | 23 | 6% | 126 | 6% | even |
| 11-50 employees | 72 | 17% | 219 | 11% | Keycloak |
| 51-200 employees | 101 | 24% | 378 | 19% | Keycloak |
| 201-500 employees | 66 | 16% | 275 | 14% | even |
| 501-1000 employees | 42 | 10% | 204 | 10% | even |
| 1001-5000 employees | 60 | 14% | 359 | 18% | OpenID Connect |
| 5001-10000 employees | 13 | 3% | 110 | 6% | OpenID Connect |
| 10,001+ employees | 34 | 8% | 275 | 14% | OpenID Connect |
| Segment | Keycloak | share | OpenID Connect | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 250 | 60% | 1,045 | 53% | Keycloak |
| Business & finance services | 71 | 17% | 402 | 20% | OpenID Connect |
| Manufacturing & industry | 35 | 8% | 172 | 9% | even |
| Public, community & associations | 17 | 4% | 43 | 2% | even |
| Utilities & infrastructure | 12 | 3% | 53 | 3% | even |
| Commerce & trade | 6 | 1% | 42 | 2% | even |
| Transport, logistics & rental | 6 | 1% | 31 | 2% | even |
| Consumer services & leisure | 5 | 1% | 32 | 2% | even |
| Media & content | 5 | 1% | 55 | 3% | even |
| Property & construction | 4 | 1% | 24 | 1% | even |
| Hospitality & travel | 2 | 0% | – | – | outside top 12 |
| Automotive | 1 | 0% | 17 | 1% | even |
| Health care | – | – | 34 | 2% | outside top 12 |
| Segment | Keycloak | share | OpenID Connect | share | Leans |
|---|---|---|---|---|---|
| United States | 163 | 39% | 1,224 | 62% | OpenID Connect |
| Germany | 64 | 15% | 114 | 6% | Keycloak |
| France | 36 | 9% | 65 | 3% | Keycloak |
| United Kingdom | 26 | 6% | 139 | 7% | even |
| Brazil | 10 | 2% | 20 | 1% | even |
| India | 10 | 2% | 28 | 1% | even |
| Canada | 9 | 2% | 46 | 2% | even |
| Netherlands | 8 | 2% | 26 | 1% | even |
| Poland | 8 | 2% | – | – | outside top 12 |
| Switzerland | 6 | 1% | 22 | 1% | even |
| Spain | 6 | 1% | – | – | outside top 12 |
| Finland | 6 | 1% | – | – | outside top 12 |
| Australia | – | – | 27 | 1% | outside top 12 |
| Sweden | – | – | 24 | 1% | outside top 12 |
| Belgium | – | – | 21 | 1% | outside top 12 |
| Segment | Keycloak | share | OpenID Connect | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 729 | 59% | 2,795 | 43% | Keycloak |
| IT operations & business systems | 276 | 22% | 2,262 | 35% | OpenID Connect |
| Data & AI | 47 | 4% | 187 | 3% | even |
| Product, program & project management | 30 | 2% | 149 | 2% | even |
| Engineering (non-software) | 26 | 2% | 74 | 1% | even |
| Customer service & success | 5 | 0% | 65 | 1% | even |
| Construction and civil | 3 | 0% | 8 | 0% | even |
| Sales | 2 | 0% | 118 | 2% | even |
| Marketing & communications | 1 | 0% | – | – | outside top 12 |
| Unclassified | 1 | 0% | 4 | 0% | even |
| General management & consulting | – | – | 14 | 0% | outside top 12 |
| Facilities cleaning and security | – | – | 6 | 0% | outside top 12 |
| Business development & strategy | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using Keycloak →
Companies using OpenID Connect →
Identity ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
OpenID Connect is named by 1,965 companies in job postings and Keycloak by 414; 285 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/keycloak-vs-openid-connect)
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.
Keycloak vs OpenID Connect: questions
Which is more used, Keycloak or OpenID Connect?
By companies naming it in their own job postings, OpenID Connect (1,965) over Keycloak (414). By website-and-DNS footprint, OpenID Connect (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Keycloak?
47% of Keycloak companies have 2 to 200 employees, against 37% for OpenID Connect. 26% of Keycloak companies have over 1,000 employees, against 38% for OpenID Connect.
Do companies run both?
285 companies name both in their postings, usually Keycloak in marketing and OpenID Connect 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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