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

856

Top Country

US

Top Industry

Consulting

Adoption Insights

RxJS is used by 856 companies in our database, representing approximately 0.03% of all tracked websites. The most common industry using RxJS is Consulting, and adoption is strongest in US.

Top Countries Using RxJS

US405 companies
DE76 companies
UK61 companies
GB53 companies
JP31 companies
CA27 companies
FR27 companies
IT22 companies
TH21 companies
AU21 companies

Top Industries Using RxJS

Consulting48 companies
Advertising45 companies
E-Commerce39 companies
Artificial Intelligence (AI)34 companies
Health Care23 companies
Commercial19 companies
Information Technology17 companies
Building Material15 companies
Automotive14 companies
Financial Services12 companies

Companies Using RxJS

CompanyDomain
Kongkonghq.com
b.well Connected Healthicanbwell.com
Dratadrata.com
Integrateintegrate.co
Vannevar Labsvannevarlabs.com
ADARx Pharmaceuticalsadarx.com
Forterforter.com
SimpliSafesimplisafe.com
Wellcome Trustwellcome.org
Spaceliftspacelift.io

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?+

856 companies in our database use RxJS, representing approximately 0.03% of all tracked websites.

What industries use RxJS the most?+

The top industries using RxJS are Consulting, Advertising, E-Commerce.

What countries use RxJS the most?+

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

Is RxJS popular?+

RxJS is used by 856 companies, making it a notable JavaScript frameworks technology based on adoption across our tracked websites.

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Data last updated: July 2026