How many companies use ExtJS vs Klarna Checkout?

25,863 companies use ExtJS and 306 companies use Klarna Checkout in our database. ExtJS is more widely adopted with 84.5x more companies than Klarna Checkout.

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

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 vs Klarna Checkout

ExtJS is used by 25,863companies — 84.5x more than Klarna Checkout (306).

25,863 use ExtJS306 use Klarna Checkout

Side-by-side comparison

	ExtJS	Klarna Checkout
Companies	25,863	306
Category	JS Framework	Payment processors

Company adoption

Top companies using ExtJS

ICEtmcbonds.com

Pictogram.sepictogram.se

El Universal Clasificadoseluniversalclasificados.com

Veh�culos Wow!!!clasiwow.com

NetExambuy-learning.qlik.com

Top companies using Klarna Checkout

Roloff.comroloff.com

ANINE BINGaninebing.com

Airbnbairbnb.com.au

Rivet & Hiderivetandhide.com

Haglöfshaglofs.com

Get the full comparison

26,169 companies with emails, tech stacks, and contacts

Start free →

1,000 lookups · API access · CSV exports

API access

GET /api/v1/tech?name=extjs

From the makers of AgentData

DragApp

AI-powered shared inbox, help desk, and team collaboration — inside Gmail. 200K+ users.

Try DragApp free →

HeyHelp

AI email assistant inside Gmail. Drafts, sorts, follows up.

Try HeyHelp free →

Oneway

All-in-one customer platform — live chat, email, automations, changelogs & roadmaps with AI.

Try Oneway →

Related comparisons

ExtJS vs HSTSCompare →HSTS vs Klarna CheckoutCompare →Cloudflare vs ExtJSCompare →Cloudflare vs Klarna CheckoutCompare →ExtJS vs Microsoft 365Compare →Klarna Checkout vs Microsoft 365Compare →

View individually

Companies using ExtJS→

Companies using Klarna Checkout→

Frequently asked questions

Need this data via API?

Access technology comparison data programmatically via REST API or MCP.

API docs →