How many companies use core-js vs ExtJS?

11,282 companies use core-js and 25,853 companies use ExtJS in our database. ExtJS is more widely adopted with 2.3x more companies than core-js.

Can I get a list of companies using both core-js and ExtJS?

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

ExtJS is used by 25,853companies — 2.3x more than core-js (11,282).

11,282 use core-js25,853 use ExtJS

	core-js	ExtJS
Companies	11,282	25,853
Category	Hosting	JS Framework

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37,135 companies with emails, tech stacks, and contacts

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GET /api/v1/tech?name=core-js

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