automerge
Reimplementation of `automerge` on top of the automerge-wasm backend
6.1K weekly downloads · 34.2 KB gzip · Health 63/100
Comparison guide
Side-by-side NPM package comparison
Smallest Bundle
Yjs
27.5 KB gzipped
Most Popular
Yjs
9.9M weekly downloads
Best Maintained
Yjs
100/100 maintenance score
Highest Quality
Automerge
50/100 quality score
Overall Pick
Yjs
Best all-around based on popularity, size, maintenance & quality
Reimplementation of `automerge` on top of the automerge-wasm backend
6.1K weekly downloads · 34.2 KB gzip · Health 63/100
Choosing between Automerge and Loro and Yjs? 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.
Yjs leads with 9.9M weekly downloads — roughly 1623.0x more. Automerge has 6.1K weekly downloads. Loro has 30 weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Yjs has the smallest gzipped bundle at 27.5 KB. Automerge comes in at 34.2 KB. Loro comes in at 239.5 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Yjs has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Automerge has an overall health score of 63/100 (good), with strong security scores. Loro has an overall health score of 43/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Automerge if you value strong security track record. Choose Loro if you value strong security track record. Choose Yjs if you value large community support, actively maintained, strong security track record.
Both Automerge and Loro and Yjs are solid choices for JavaScript development. Yjs has the edge in overall health score (85/100), 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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