JSR vs Yarn
On the evidence we track, Yarn leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for package registries. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
JSR
An open-source package registry for JavaScript and TypeScript that publishes ECMAScript modules natively. It works across multiple JavaScript runtimes including Node.js, Deno, Bun, and Cloudflare Workers, with built-in TypeScript support, automatic documentation generation, and interoperability with npm packages.
Yarn
LeaderYarn is a modern package manager for JavaScript projects that prioritizes deterministic installations and includes built-in support for monorepos. It provides a complete solution for managing both dependencies and project structure with a focus on reliability and security.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- npm
- GitHub
JSR
- Node.js
- Deno
- Bun
- Cloudflare Workers
- Algolia
Yarn
Leader- Git
JSR or Yarn: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.