OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

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Companies

13,215

Top Country

US

Top Industry

Consulting

Adoption Insights

OpenSSL is used by 13,215 companies in our database, representing approximately 0.45% of all tracked websites. The most common industry using OpenSSL is Consulting, and adoption is strongest in US.

Top Countries Using OpenSSL

US5,807 companies
GB911 companies
JP858 companies
DE692 companies
CA609 companies
IT603 companies
BR544 companies
ES422 companies
AU406 companies
FR344 companies

Top Industries Using OpenSSL

Consulting805 companies
Advertising582 companies
Health Care466 companies
Information Technology464 companies
E-Commerce373 companies
Automotive327 companies
Industrial311 companies
Education265 companies
Manufacturing212 companies
Computer205 companies

Companies Using OpenSSL

CompanyDomain
Upexiupexi.com
Healthcare Trianglehealthcaretriangle.com
NexMetals Miningnexmetalsmining.com
Finexiofinexio.com
DSP Conceptsdspconcepts.com
Goalsettergoalsetter.co
ESPNespn.com
Atanaatana.com
ResMedresmed.com
Ispace Technologiesispace-inc.com

Top Alternatives to OpenSSL

Other Web server extensions technologies sorted by adoption

How We Detect OpenSSL

The Web Radar detects OpenSSL by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is OpenSSL?+

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

How many companies use OpenSSL?+

13,215 companies in our database use OpenSSL, representing approximately 0.45% of all tracked websites.

What industries use OpenSSL the most?+

The top industries using OpenSSL are Consulting, Advertising, Health Care.

What countries use OpenSSL the most?+

The top countries using OpenSSL are US, GB, JP.

Is OpenSSL popular?+

OpenSSL is used by 13,215 companies, making it one of the most widely adopted Web server extensions technology based on adoption across our tracked websites.

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Data last updated: June 2026