About RxJS
RxJS is a reactive library used to implement reactive programming to deal with async implementation, callbacks, and event-based programs.
How many people use RxJS
GitHub · npm
#20 of 75 JavaScript frameworks we have counts for (of 82) · bars are GitHub stars across these neighbours; the category leader is React at 249k · as of September 7, 2026
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RxJS#20 of 75 JavaScript frameworks
Alpine.js#19 of 75 JavaScript frameworks
The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.
Audit any site that runs RxJS.
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How we audit RxJS
We measure the detected version against RxJS's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
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