How many companies use Kestrel vs OpenResty?

448 companies use Kestrel and 6,566 companies use OpenResty in our database. OpenResty is more widely adopted with 14.7x more companies than Kestrel.

Can I get a list of companies using both Kestrel and OpenResty?

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.

OpenResty is used by 6,566companies — 14.7x more than Kestrel (448).

448 use Kestrel6,566 use OpenResty

	Kestrel	OpenResty
Companies	448	6,566
Category	Web servers	Web servers

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7,014 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

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GET /api/v1/tech?name=kestrel

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