How many companies use ExtJS vs Four?

25,853 companies use ExtJS and 3,356 companies use Four in our database. ExtJS is more widely adopted with 7.7x more companies than Four.

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

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 — 7.7x more than Four (3,356).

25,853 use ExtJS3,356 use Four

	ExtJS	Four
Companies	25,853	3,356
Category	JS Framework	Payment

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29,209 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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