RxJS is a reactive library used to implement reactive programming to deal with async implementation, callbacks, and event-based programs.

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Companies

640

Top Country

US

Top Industry

E-Commerce

Adoption Insights

RxJS is used by 640 companies in our database, representing approximately 0.02% of all tracked websites. The most common industry using RxJS is E-Commerce, and adoption is strongest in US.

Top Countries Using RxJS

US233 companies
DE72 companies
UK65 companies
GB34 companies
JP32 companies
FR26 companies
BR22 companies
IT21 companies
CA21 companies
AU21 companies

Top Industries Using RxJS

E-Commerce39 companies
Artificial Intelligence (AI)28 companies
Consulting27 companies
Advertising23 companies
Information Technology14 companies
Automotive14 companies
Apps13 companies
Health Care12 companies
Commercial12 companies
Building Material12 companies

Companies Using RxJS

CompanyDomain
Polymarketpolymarket.com
Kongkonghq.com
b.well Connected Healthicanbwell.com
Dratadrata.com
Integrateintegrate.co
ADARx Pharmaceuticalsadarx.com
Forterforter.com
Krakenkraken.tech
SimpliSafesimplisafe.com
Neynarneynar.com

How We Detect RxJS

The Web Radar detects RxJS by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is RxJS?+

RxJS is a reactive library used to implement reactive programming to deal with async implementation, callbacks, and event-based programs.

How many companies use RxJS?+

640 companies in our database use RxJS, representing approximately 0.02% of all tracked websites.

What industries use RxJS the most?+

The top industries using RxJS are E-Commerce, Artificial Intelligence (AI), Consulting.

What countries use RxJS the most?+

The top countries using RxJS are US, DE, UK.

Is RxJS popular?+

RxJS is used by 640 companies, making it a notable JavaScript frameworks technology based on adoption across our tracked websites.

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Data last updated: June 2026