A practical functional library for JavaScript programmers.
- Weekly Downloads
- 13.3M
- Bundle (gzip)
- 14.1 KB
- Updated
- Vulns
- 0
Comparison guide
Side-by-side NPM package comparison
Smallest Bundle
Ramda
14.1 KB gzipped
Most Popular
Underscore
22.6M weekly downloads
Best Maintained
Underscore
60/100 maintenance score
Highest Quality
Ramda
50/100 quality score
Overall Pick
Ramda
Best all-around based on popularity, size, maintenance & quality
A practical functional library for JavaScript programmers.
JavaScript's functional programming helper library.
Choosing between Ramda and Underscore? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.
Underscore leads with 22.6M weekly downloads — roughly 1.7x more. Ramda has 13.3M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Ramda has the smallest gzipped bundle at 14.1 KB. Underscore comes in at 266.0 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Underscore has an overall health score of 73/100 (good), with strong security, popularity scores. Ramda has an overall health score of 67/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Ramda if you value massive community and ecosystem, strong security track record. Choose Underscore if you value massive community and ecosystem, strong security track record.
Both Ramda and Underscore are solid choices for JavaScript development. Underscore has the edge in overall health score (73/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.
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