# Ember vs shadcn/ui

**Leader by Vioscale score:** Ember

| Attribute | Ember | shadcn/ui |
|---|---|---|
| **Vioscale score** | 71.5 (70% (medium)) | 62.4 (51% (medium)) |
| activity.commits_last_30d | 79 | 87 |
| adoption.dependent_repos | 7,078 | 0 |
| adoption.github_stars | 22,566 | 122,199 |
| adoption.package_downloads_weekly | 292,698 | - |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | A JavaScript framework designed for long-term web application development with integrated routing, data management, testing infrastructure, and component architecture to enable teams to build and maintain rich user interfaces. | An open-source React component library that provides ready-made UI components built on Radix UI and styled with Tailwind CSS. You copy components directly into your codebase and customize them to match your design requirements. |
| features.capabilities | `{"paradigm":"Component-based reactive framework","bundle_size":"small","virtual_dom":true,"component_model":true,"router_official":true,"state_management":true,"signals_reactivity":true}` | `{"paradigm":"Component library and design system toolkit","bundle_size":"small","ssr_support":true,"virtual_dom":true,"component_model":true,"router_official":false,"state_management":true,"typescript_first":true,"signals_reactivity":false}` |
| integrations.count | - | 6 |
| integrations.list | - | `[{"name":"Radix UI"},{"name":"React"},{"name":"React Aria"},{"name":"Tailwind CSS"},{"name":"Next.js"},{"name":"Vite"}]` |
| language.primary | TypeScript | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://emberjs.com/","retrievedAt":"2026-08-13T22:58:52.188Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://ui.shadcn.com/","retrievedAt":"2026-08-14T08:34:38.943Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 4 | 3 |
| release.history | `[{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.3.0-beta.1-ember-source","date":"2026-08-09T19:17:09Z","type":"prerelease","version":"v7.3.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.2.0-ember-source","date":"2026-08-10T15:19:50Z","type":"stable","version":"v7.2.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.2.0-beta.1-ember-source","date":"2026-06-22T21:09:25Z","type":"prerelease","version":"v7.2.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.1.0-ember-source","date":"2026-06-22T20:43:22Z","type":"stable","version":"v7.1.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.1.0-beta.1-ember-source","date":"2026-05-12T17:39:52Z","type":"prerelease","version":"v7.1.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.0.0-ember-source","date":"2026-05-12T17:39:18Z","type":"stable","version":"v7.0.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.12.0-ember-source","date":"2026-03-31T22:06:53Z","type":"stable","version":"v6.12.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.11.1-ember-source","date":"2026-03-27T18:20:04Z","type":"stable","version":"v6.11.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.8.4-ember-source","date":"2026-03-27T18:27:19Z","type":"stable","version":"v6.8.4-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.12.0-beta.3-ember-source","date":"2026-03-25T20:56:11Z","type":"prerelease","version":"v6.12.0-beta.3-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.12.0-beta.2-ember-source","date":"2026-03-10T01:18:23Z","type":"prerelease","version":"v6.12.0-beta.2-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.12.0-beta.1-ember-source","date":"2026-02-17T19:33:25Z","type":"prerelease","version":"v6.12.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.11.0-ember-source","date":"2026-02-17T19:10:34Z","type":"stable","version":"v6.11.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.8.3-ember-source","date":"2026-02-16T16:34:42Z","type":"stable","version":"v6.8.3-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.11.0-beta.2-ember-source","date":"2026-02-02T19:43:26Z","type":"prerelease","version":"v6.11.0-beta.2-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.11.0-beta.1-ember-source","date":"2026-02-02T19:42:51Z","type":"prerelease","version":"v6.11.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.10.0-ember-source","date":"2026-01-06T18:31:53Z","type":"stable","version":"v6.10.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.10.0-beta.1-ember-source","date":"2025-11-25T20:13:50Z","type":"prerelease","version":"v6.10.0-beta.1-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.9.0-ember-source","date":"2025-11-25T20:02:20Z","type":"stable","version":"v6.9.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v6.8.2-ember-source","date":"2025-11-18T03:09:57Z","type":"stable","version":"v6.8.2-ember-source"}]` | `[{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.19.0","date":"2026-08-21T17:28:23Z","type":"stable","version":"shadcn@4.19.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.18.0","date":"2026-08-13T18:44:31Z","type":"stable","version":"shadcn@4.18.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.17.0","date":"2026-08-11T20:39:12Z","type":"stable","version":"shadcn@4.17.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/helpers%400.2.0","date":"2026-08-11T20:49:34Z","type":"stable","version":"@shadcn/helpers@0.2.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.16.2","date":"2026-08-06T11:37:08Z","type":"stable","version":"shadcn@4.16.2"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/react%400.3.0","date":"2026-08-05T19:13:18Z","type":"stable","version":"@shadcn/react@0.3.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.16.1","date":"2026-07-31T13:58:43Z","type":"stable","version":"shadcn@4.16.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.16.0","date":"2026-07-27T18:32:08Z","type":"stable","version":"shadcn@4.16.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.15.0","date":"2026-07-25T18:05:56Z","type":"stable","version":"shadcn@4.15.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.14.1","date":"2026-07-23T16:02:41Z","type":"stable","version":"shadcn@4.14.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.14.0","date":"2026-07-22T11:06:55Z","type":"stable","version":"shadcn@4.14.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.13.1","date":"2026-07-17T15:23:41Z","type":"stable","version":"shadcn@4.13.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/react%400.2.1","date":"2026-07-08T08:11:58Z","type":"stable","version":"@shadcn/react@0.2.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.13.0","date":"2026-07-03T12:29:04Z","type":"stable","version":"shadcn@4.13.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/react%400.2.0","date":"2026-06-30T06:34:55Z","type":"stable","version":"@shadcn/react@0.2.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.12.0","date":"2026-06-26T17:26:57Z","type":"stable","version":"shadcn@4.12.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.11.1","date":"2026-06-26T07:16:31Z","type":"stable","version":"shadcn@4.11.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.11.0","date":"2026-06-08T13:49:39Z","type":"stable","version":"shadcn@4.11.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.10.0","date":"2026-06-01T10:59:03Z","type":"stable","version":"shadcn@4.10.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.9.0","date":"2026-05-31T12:19:26Z","type":"stable","version":"shadcn@4.9.0"}]` |
| security.disclosure_policy | yes | yes |
| security.scorecard | 6.5 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=ember-source&per_page=100","last_12m":0,"max_severity":null}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=hghcn&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Ember | shadcn/ui |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Component-based reactive framework | Component library and design system toolkit |
| Reusable component model | ✓ | ✓ |
| **Rendering** |  |  |
| Virtual DOM | ✓ | ✓ |
| Signals / fine-grained reactivity | ✓ | ✗ |
| SSR support | - | ✓ |
| **DX** |  |  |
| First-class TypeScript | - | ✓ |
| **State** |  |  |
| Built-in state management | ✓ | ✓ |
| **Ecosystem** |  |  |
| Official router | ✓ | ✗ |
| **Performance** |  |  |
| Runtime size | Small (10–40kb) | Small (10–40kb) |

*Source: Vioscale. Generated 2026-09-01T16:29:36.079Z. "-" = undocumented, not absent.*