How many companies use CentOS vs OpenSSL?

1,259 companies use CentOS and 3,998 companies use OpenSSL in our database. OpenSSL is more widely adopted with 3.2x more companies than CentOS.

Can I get a list of companies using both CentOS and OpenSSL?

Yes. AgentData tracks companies using both tools. Sign up free to access the full list with emails, tech stacks, and contacts via CSV or API.

OpenSSL is used by 3,998companies — 3.2x more than CentOS (1,259).

1,259 use CentOS3,998 use OpenSSL

	CentOS	OpenSSL
Companies	1,259	3,998
Category	Operating systems	Web server extensions

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5,257 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=centos

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