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Head-to-head · Package Registries

RubyGems.org vs opam

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score RubyGems.org #4 in Package Registries 8.7/10 Free plan Free plan✓ 0 of 1 features Visit RubyGems.org
opam #8 in Package Registries 7.9/10 Free plan Free plan✓ 0 of 1 features Visit opam

RubyGems.org leads on 0 checks, opam on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRubyGems.org · 8.7/10
  • Free planboth

RubyGems.org scores higher on our rubric for package registries: 8.7 against 7.9 out of 10; our editors rank them #4 and #8.

RubyGems.org is the better fit for free Ruby gem hosting. opam is the better fit for OCaml package development.

  • RubyGems.org fits best

    Free Ruby gem hosting

  • opam fits best

    OCaml package development

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Side by side

Feature RubyGems.org 8.7/10 Visit ↗ opam 7.9/10 Visit ↗
At a glance
Editor score 8.7 7.9
Ranking #4 in Package Registries #8 in Package Registries
Best for Free Ruby gem hosting OCaml package development
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud Self-hosted
Platforms Web Windows, macOS, Linux
Support Email, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features RubyGems.org 0/1 · opam 0/1
Private packages — Not checked yet
Specs
Package ecosystems Single Not checked yet
Package size limit Not checked yet Not checked yet
Storage limit Not checked yet Not checked yet
Download limit Not checked yet Not checked yet
Access controls Role_based Not checked yet
Our review
Pros
  • Free public hosting for publishing and discovering Ruby gems
  • Bundler and RubyGems CLI support package installation
  • MFA, scoped keys, roles, ownership controls, and version yanking
  • Isolated switches support multiple compiler and package environments
  • Lockfiles fix dependency versions for reproducible builds
  • Works with HTTP, local, and version-controlled repositories
Cons
  • Public registry rather than private package hosting
  • Focused on the single Ruby gem ecosystem
  • Requires RubyGems or Bundler for the core package workflow
  • Offline installation depends on required archives already being cached
  • Package format support is focused on opam
  • Integration breadth is limited beyond the OCaml ecosystem
Our verdict

RubyGems.org is a public registry and hosting service for Ruby packages, known as gems. It is designed for developers and teams that publish, discover, install, and maintain Ruby packages in an open package ecosystem. The service supports…

Read the review →

opam is a source-based package manager for OCaml, designed for developers, library maintainers, and projects that need separate compiler and dependency configurations. It installs, upgrades, removes, and searches packages, automatically…

Read the review →
  1. RubyGems.orgPackage Registries 8.7Free plan
  2. opamPackage Registries 7.9Free plan

Strengths and trade-offs

  • RubyGems.org — where it wins

    • Free public hosting for publishing and discovering Ruby gems
    • Bundler and RubyGems CLI support package installation
    • MFA, scoped keys, roles, ownership controls, and version yanking

    Where it doesn't

    • Public registry rather than private package hosting
    • Focused on the single Ruby gem ecosystem
    • Requires RubyGems or Bundler for the core package workflow

  • opam — where it wins

    • Isolated switches support multiple compiler and package environments
    • Lockfiles fix dependency versions for reproducible builds
    • Works with HTTP, local, and version-controlled repositories

    Where it doesn't

    • Offline installation depends on required archives already being cached
    • Package format support is focused on opam
    • Integration breadth is limited beyond the OCaml ecosystem

More comparisons

All package registries comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update