vioscale
Comparison

JSR vs RubyGems

No leader: the top candidate RubyGems has only 0.31 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

JSR full profile →RubyGems full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
JSR47
RubyGems80
Score
Vioscale score
JSR47 / 100low · 46%
RubyGems80 / 100low · 31%
Pricing
Free tier
JSR✓
RubyGems✓
Model
JSRcommercial
RubyGemsfree
Price level
JSRfree
RubyGemsfree
Transparent
JSR✓
RubyGems✓
Integrations
Count
JSR6
RubyGems–
Security
Disclosure policy
JSR–
RubyGems✓
Scorecard
JSR5.4
RubyGems8.3
Vulnerabilities
Reliability
Status page
JSR–
RubyGems✓
Adoption
Dependent repos
JSR0
RubyGems225,927
Github stars
JSR2,969
RubyGems3,954
Activity
Commits last 30d
JSR48
RubyGems100
Release
Cadence days
JSR–
RubyGems6
History
JSR–
RubyGems20 items
License
Spdx
JSRMIT
RubyGems–
Language
Primary
JSRRust
RubyGemsRuby
Market
Availability
JSRAvailable worldwide
RubyGems–

Capabilities

Feature-by-feature on the axes that matter for package registries. “-” means undocumented, not absent.

Core
Role
JSRPublic registry
RubyGemsPublic registry
Ecosystem
Ecosystem / language
JSRPolyglot
RubyGemsRuby
Deployment
Deployment
JSRSaaS
RubyGemsSaaS
Formats
Package formats supported
JSRSingle ecosystem
RubyGemsSingle ecosystem
Hosting
Private / scoped packages
JSR✓
RubyGems-
Upstream proxy / caching
JSR-
RubyGems-
Resolution
Lockfile / deterministic installs
JSR-
RubyGems-
Workspaces / monorepo
JSR-
RubyGems-
Content-addressable store
JSR-
RubyGems-
Supply chain
Supply-chain integrity
JSR✓
RubyGems-
Vulnerability / licence scanning
JSR-
RubyGems-
Licensing
Openness
JSROpen-source
RubyGemsOpen-source
Pricing
Pricing model
JSRFree / OSS
RubyGemsFree / OSS

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.

Independently observed

RubyGems

RubyGems is an open-source package hosting and distribution platform where Ruby developers discover, install, and publish gems (libraries). As a free, community-maintained service, it processes billions of downloads and is central to the Ruby development ecosystem.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

JSR

FreeFree tier

Free and open-source

  • PublicFree
    • Publish packages
    • ECMAScript modules
    • Automatic API documentation
    • TypeScript support
    • Cross-runtime compatibility
as of verify ↗

RubyGems

Free

Free. Community-funded via donations and sponsorships.

  • Free Public RegistryFree
    • Unlimited gem uploads
    • Unlimited downloads
    • Community support
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
JSR✓
RubyGems✓
CLI
JSR✓
RubyGems✓
Deployment
Cloud / SaaS
JSR✓
RubyGems✓
Self-hosted
JSR✓
RubyGems✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

JSR

6 total
  • Node.js
  • Deno
  • Bun
  • Cloudflare Workers
  • npm
  • Algolia
Independently observed

RubyGems

Not documented yet.

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.