How many companies use ExtJS vs Four?

19,193 companies use ExtJS and 2,111 companies use Four in our database. ExtJS is more widely adopted with 9.1x more companies than Four.

Can I get a list of companies using both ExtJS and Four?

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.

ExtJS is used by 19,193companies — 9.1x more than Four (2,111).

19,193 use ExtJS2,111 use Four

	ExtJS	Four
Companies	19,193	2,111
Category	JS Framework	Payment

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21,304 companies with emails, tech stacks, and contacts

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=extjs

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