# RubyGems vs uv

| Attribute | RubyGems | uv |
|---|---|---|
| **vioscaleAI score** | 65.3 (31% (low)) | 64.6 (63% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 225,927 | 0 |
| adoption.github_stars | 3,978 | 90,408 |
| adoption.package_downloads_weekly | - | 28,008,035 |
| content.faq | `[{"answer":"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. It is indexed under Package Registries.","source":"https://rubygems.org","question":"What is RubyGems?","confidence":0.6},{"answer":"RubyGems offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://rubygems.org","question":"Is RubyGems free?","confidence":0.6},{"answer":"RubyGems supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rubygems.org","question":"What platforms does RubyGems support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for RubyGems, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://rubygems.org","question":"Can RubyGems be self-hosted?","confidence":0.6}]` | `[{"answer":"A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers. It is indexed under Package Registries.","source":"https://docs.astral.sh/uv","question":"What is uv?","confidence":0.6},{"answer":"uv is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://docs.astral.sh/uv","question":"Is uv free to use?","confidence":0.6},{"answer":"uv supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://docs.astral.sh/uv","question":"What platforms does uv support?","confidence":0.6},{"answer":"Yes. uv can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://docs.astral.sh/uv","question":"Can uv be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for uv, including Docker, GitHub Actions, GitLab CI/CD, AWS Lambda, Azure Artifacts, AWS CodeArtifact, JFrog Artifactory and PyTorch, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://docs.astral.sh/uv","question":"What does uv integrate with?","confidence":0.6},{"answer":"Yes. uv is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/astral-sh/uv","question":"Is uv open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A package manager and public registry for the Ruby programming language that enables developers to discover, install, and share reusable code packages and libraries within the Ruby community. | A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers. |
| features.capabilities | `{"role":"public_registry","ecosystem":"ruby","deployment":"saas","open_source":"oss","pricing_model":"free","package_formats":"single"}` | `{"role":"manager_client","ecosystem":"python","deployment":"cli_local","workspaces":true,"open_source":"oss","pricing_model":"free","package_formats":"multi","vuln_license_scanning":false,"lockfile_deterministic":true,"supply_chain_integrity":true}` |
| integrations.count | - | 17 |
| integrations.list | - | `[{"name":"Docker"},{"name":"GitHub Actions"},{"name":"GitLab CI/CD"},{"name":"AWS Lambda"},{"name":"Azure Artifacts"},{"name":"AWS CodeArtifact"},{"name":"JFrog Artifactory"},{"name":"PyTorch"},{"name":"FastAPI"},{"name":"Jupyter"}]` |
| language.primary | Ruby | Rust |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"free","plans":[{"free":true,"name":"Free Public Registry","features":["Unlimited gem uploads","Unlimited downloads","Community support"],"description":"Publish and download gems; community-funded via donations","contactSales":false}],"summary":"Free. Community-funded via donations and sponsorships.","sourceUrl":"https://rubygems.org","retrievedAt":"2026-08-03T22:32:15.384Z"}` | `{"type":"open_source","sourceUrl":"https://docs.astral.sh/uv","retrievedAt":"2026-10-05T11:03:05.919Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 7 | 2 |
| release.history | `[{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.23","date":"2026-10-14T04:18:02Z","type":"stable","version":"v4.0.23"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.1.0.beta2","date":"2026-10-08T04:26:17Z","type":"prerelease","version":"v4.1.0.beta2"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.22","date":"2026-09-30T07:53:33Z","type":"stable","version":"v4.0.22"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.21","date":"2026-09-16T06:27:25Z","type":"stable","version":"v4.0.21"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.1.0.beta1","date":"2026-09-09T05:04:33Z","type":"prerelease","version":"v4.1.0.beta1"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.20","date":"2026-09-02T08:57:10Z","type":"stable","version":"v4.0.20"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.19","date":"2026-08-20T01:57:03Z","type":"stable","version":"v4.0.19"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.18","date":"2026-08-05T02:16:51Z","type":"stable","version":"v4.0.18"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.17","date":"2026-07-22T04:17:51Z","type":"stable","version":"v4.0.17"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.17","date":"2026-07-22T04:19:42Z","type":"stable","version":"bundler-v4.0.17"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.16","date":"2026-07-10T05:39:35Z","type":"stable","version":"v4.0.16"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.16","date":"2026-07-10T05:41:26Z","type":"stable","version":"bundler-v4.0.16"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.15","date":"2026-06-23T23:32:27Z","type":"stable","version":"v4.0.15"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.15","date":"2026-06-23T23:41:00Z","type":"stable","version":"bundler-v4.0.15"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.14","date":"2026-06-10T00:12:00Z","type":"stable","version":"bundler-v4.0.14"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.14","date":"2026-06-10T00:10:15Z","type":"stable","version":"v4.0.14"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.13","date":"2026-06-03T02:59:24Z","type":"stable","version":"v4.0.13"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.13","date":"2026-06-03T03:01:31Z","type":"stable","version":"bundler-v4.0.13"},{"url":"https://github.com/ruby/rubygems/releases/tag/v4.0.12","date":"2026-05-20T03:06:01Z","type":"stable","version":"v4.0.12"},{"url":"https://github.com/ruby/rubygems/releases/tag/bundler-v4.0.12","date":"2026-05-20T03:07:44Z","type":"stable","version":"bundler-v4.0.12"}]` | `[{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.23","date":"2026-10-03T17:34:11Z","type":"stable","version":"0.12.23"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.22","date":"2026-10-02T00:20:42Z","type":"stable","version":"0.12.22"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.21","date":"2026-09-29T21:14:06Z","type":"stable","version":"0.12.21"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.20","date":"2026-09-28T23:20:35Z","type":"stable","version":"0.12.20"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.19","date":"2026-09-25T00:33:02Z","type":"stable","version":"0.12.19"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.18","date":"2026-09-22T23:00:51Z","type":"stable","version":"0.12.18"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.17","date":"2026-09-18T18:59:24Z","type":"stable","version":"0.12.17"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.16","date":"2026-09-18T01:01:42Z","type":"stable","version":"0.12.16"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.15","date":"2026-09-15T12:09:40Z","type":"stable","version":"0.12.15"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.14","date":"2026-09-15T02:19:30Z","type":"stable","version":"0.12.14"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.13","date":"2026-09-10T19:27:24Z","type":"stable","version":"0.12.13"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.12","date":"2026-09-09T16:45:15Z","type":"stable","version":"0.12.12"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.11","date":"2026-09-08T20:45:27Z","type":"stable","version":"0.12.11"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.10","date":"2026-09-04T23:15:57Z","type":"stable","version":"0.12.10"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.9","date":"2026-09-01T21:58:26Z","type":"stable","version":"0.12.9"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.8","date":"2026-08-31T22:18:57Z","type":"stable","version":"0.12.8"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.7","date":"2026-08-27T22:14:06Z","type":"stable","version":"0.12.7"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.6","date":"2026-08-25T19:41:07Z","type":"stable","version":"0.12.6"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.5","date":"2026-08-14T19:57:52Z","type":"stable","version":"0.12.5"},{"url":"https://github.com/astral-sh/uv/releases/tag/0.12.4","date":"2026-08-13T21:16:08Z","type":"stable","version":"0.12.4"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.scorecard | 7.6 | - |
| security.trust_center | https://rubygems.org/pages/security | - |
| security.vulnerabilities | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=bundler&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=spack&package_name=py-uv&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Package Registries)

| Capability | RubyGems | uv |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Public registry | Package manager client |
| **Ecosystem** |  |  |
| Ecosystem / language | Ruby | Python |
| **Deployment** |  |  |
| Deployment | SaaS | CLI-local |
| **Formats** |  |  |
| Package formats supported | Single ecosystem | Many formats |
| **Hosting** |  |  |
| Private / scoped packages | - | - |
| Upstream proxy / caching | - | - |
| **Resolution** |  |  |
| Lockfile / deterministic installs | - | ✓ |
| Workspaces / monorepo | - | ✓ |
| Content-addressable store | - | - |
| **Supply chain** |  |  |
| Supply-chain integrity | - | ✓ |
| Vulnerability / licence scanning | - | ✗ |
| **Licensing** |  |  |
| Openness | Open-source | Open-source |
| **Pricing** |  |  |
| Pricing model | Free / OSS | Free / OSS |

*Source: vioscaleAI. Generated 2026-10-16T21:25:15.466Z. "-" = undocumented, not absent.*
