# Astro vs shadcn/ui

**Leader by vioscaleAI score:** Astro

| Attribute | Astro | shadcn/ui |
|---|---|---|
| **vioscaleAI score** | 71.9 (57% (medium)) | 54.7 (39% (low)) |
| activity.commits_last_30d | 100 | 99 |
| adoption.dependent_repos | 18,705 | 0 |
| adoption.github_stars | 63,201 | 125,486 |
| adoption.package_downloads_weekly | 7,314,180 | - |
| content.faq | `[{"answer":"A web framework that renders pages on the server and sends minimal JavaScript to browsers, designed for high-performance marketing sites, blogs, and e-commerce platforms. It is indexed under Frontend UI Frameworks.","source":"https://astro.build/","question":"What is Astro?","confidence":0.6},{"answer":"Astro is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://astro.build/","question":"Is Astro free to use?","confidence":0.6},{"answer":"Astro supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://astro.build/","question":"What platforms does Astro support?","confidence":0.6},{"answer":"Yes. Astro can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://astro.build/","question":"Can Astro be self-hosted?","confidence":0.6},{"answer":"We have confirmed 18 integrations for Astro, including React, Vue, Svelte, Tailwind CSS, Vercel, Cloudflare Workers, Node.js and Prism, plus 10 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://astro.build/","question":"What does Astro integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Astro. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Astro not holding them. Always confirm compliance directly before you rely on it.","source":"https://astro.build/privacy/","question":"What security certifications does Astro have?","confidence":0.7},{"answer":"Yes. Astro is published under the MIT 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://www.npmjs.com/package/astro","question":"Is Astro open source?","confidence":0.85}]` | `[{"answer":"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. It is indexed under Frontend UI Frameworks.","source":"https://ui.shadcn.com/","question":"What is shadcn/ui?","confidence":0.6},{"answer":"shadcn/ui is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://ui.shadcn.com/","question":"Is shadcn/ui free to use?","confidence":0.6},{"answer":"shadcn/ui supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://ui.shadcn.com/","question":"What platforms does shadcn/ui support?","confidence":0.6},{"answer":"Yes. shadcn/ui can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://ui.shadcn.com/","question":"Can shadcn/ui be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for shadcn/ui, including Radix UI, React, Tailwind CSS, Next.js and Vite. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://ui.shadcn.com/","question":"What does shadcn/ui integrate with?","confidence":0.6},{"answer":"Yes. shadcn/ui is published under the MIT 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/shadcn-ui/ui","question":"Is shadcn/ui open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Astro is a web framework that prioritizes performance through server-side rendering and sends minimal JavaScript to browsers. It features an island architecture for selective interactivity, supports all major UI frameworks, and produces zero unnecessary JavaScript by default. | 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 | `{"runtime":"node","paradigm":"Server-first JavaScript framework","build_model":"static_with_islands","bundle_size":"tiny","ssr_support":true,"component_model":true,"docs_specialised":true,"typescript_first":true,"image_optimization":true,"incremental_builds":true,"zero_js_by_default":true,"mdx_component_embeds":true,"plugin_ecosystem_size":"large","islands_partial_hydration":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 | 18 | 6 |
| integrations.list | `[{"name":"React"},{"name":"Vue"},{"name":"Svelte"},{"name":"Tailwind CSS"},{"name":"Vercel"},{"name":"Cloudflare Workers"},{"name":"Node.js"},{"name":"Prism"},{"name":"MDX"},{"name":"Sitemap"},{"name":"Starlight"},{"name":"Sentry"},{"name":"UnoCSS"},{"name":"Expressive Code"},{"name":"astro-icon"},{"name":"astro-seo"},{"name":"Fathom Analytics"},{"name":"Feedback Fish"},{"name":"Cloudflare","native":true},{"name":"Sonda","native":false},{"name":"Solid","native":true,"category":"ui_framework","direction":"inbound"}]` | `[{"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 | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://astro.build/","retrievedAt":"2026-10-13T13:53:21.533Z"}` | `{"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 |
| release.cadence_days | - | 1 |
| release.history | `[{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/vercel%4011.0.14","date":"2026-10-12T11:54:36Z","type":"stable","version":"@astrojs/vercel@11.0.14"},{"url":"https://github.com/withastro/astro/releases/tag/create-astro%405.2.6","date":"2026-10-08T15:38:41Z","type":"stable","version":"create-astro@5.2.6"},{"url":"https://github.com/withastro/astro/releases/tag/astro%407.3.8","date":"2026-10-08T15:38:38Z","type":"stable","version":"astro@7.3.8"},{"url":"https://github.com/withastro/astro/releases/tag/astro-vscode%402.17.2","date":"2026-10-08T15:38:44Z","type":"stable","version":"astro-vscode@2.17.2"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/vercel%4011.0.13","date":"2026-10-08T15:38:53Z","type":"stable","version":"@astrojs/vercel@11.0.13"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/netlify%408.2.9","date":"2026-10-08T15:38:50Z","type":"stable","version":"@astrojs/netlify@8.2.9"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/markdoc%402.0.11","date":"2026-10-08T15:38:47Z","type":"stable","version":"@astrojs/markdoc@2.0.11"},{"url":"https://github.com/withastro/astro/releases/tag/astro%407.3.7","date":"2026-10-07T21:35:22Z","type":"stable","version":"astro@7.3.7"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/netlify%408.2.8","date":"2026-10-07T21:35:28Z","type":"stable","version":"@astrojs/netlify@8.2.8"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/language-server%402.17.2","date":"2026-10-07T21:35:25Z","type":"stable","version":"@astrojs/language-server@2.17.2"},{"url":"https://github.com/withastro/astro/releases/tag/create-astro%405.2.5","date":"2026-10-06T12:41:50Z","type":"stable","version":"create-astro@5.2.5"},{"url":"https://github.com/withastro/astro/releases/tag/astro%407.3.6","date":"2026-10-06T12:42:11Z","type":"stable","version":"astro@7.3.6"},{"url":"https://github.com/withastro/astro/releases/tag/astro-vscode%402.17.1","date":"2026-10-06T12:41:56Z","type":"stable","version":"astro-vscode@2.17.1"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/vercel%4011.0.12","date":"2026-10-06T12:42:29Z","type":"stable","version":"@astrojs/vercel@11.0.12"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/react%407.0.1","date":"2026-10-06T12:42:02Z","type":"stable","version":"@astrojs/react@7.0.1"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/preact%406.0.6","date":"2026-10-06T12:41:59Z","type":"stable","version":"@astrojs/preact@6.0.6"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/node%4011.1.7","date":"2026-10-06T12:42:26Z","type":"stable","version":"@astrojs/node@11.1.7"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/netlify%408.2.7","date":"2026-10-06T12:42:23Z","type":"stable","version":"@astrojs/netlify@8.2.7"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/mdx%408.0.3","date":"2026-10-06T12:42:20Z","type":"stable","version":"@astrojs/mdx@8.0.3"},{"url":"https://github.com/withastro/astro/releases/tag/%40astrojs/markdown-satteri%400.4.3","date":"2026-10-06T12:42:08Z","type":"stable","version":"@astrojs/markdown-satteri@0.4.3"}]` | `[{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.21.4","date":"2026-10-07T11:11:31Z","type":"stable","version":"shadcn@4.21.4"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/registry%400.1.3","date":"2026-10-07T11:11:28Z","type":"stable","version":"@shadcn/registry@0.1.3"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.21.3","date":"2026-10-06T06:17:47Z","type":"stable","version":"shadcn@4.21.3"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/registry%400.1.2","date":"2026-10-06T06:17:45Z","type":"stable","version":"@shadcn/registry@0.1.2"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.21.2","date":"2026-10-05T14:38:22Z","type":"stable","version":"shadcn@4.21.2"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/registry%400.1.1","date":"2026-10-05T14:38:19Z","type":"stable","version":"@shadcn/registry@0.1.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.21.1","date":"2026-10-01T10:30:53Z","type":"stable","version":"shadcn@4.21.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/registry%400.1.0","date":"2026-10-01T10:30:50Z","type":"stable","version":"@shadcn/registry@0.1.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.21.0","date":"2026-09-04T05:32:33Z","type":"stable","version":"shadcn@4.21.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.20.1","date":"2026-09-02T16:34:13Z","type":"stable","version":"shadcn@4.20.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.20.0","date":"2026-09-02T12:02:03Z","type":"stable","version":"shadcn@4.20.0"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/shadcn%404.19.1","date":"2026-08-31T09:55:48Z","type":"stable","version":"shadcn@4.19.1"},{"url":"https://github.com/shadcn-ui/ui/releases/tag/%40shadcn/react%400.3.1","date":"2026-08-31T09:55:45Z","type":"stable","version":"@shadcn/react@0.3.1"},{"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"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.vulnerabilities | `{"count":25,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=astro&per_page=100","last_12m":20,"max_severity":"HIGH"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.mvnpm.at.shadcn%3Aregistry&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Astro | shadcn/ui |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Server-first JavaScript 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 | Tiny (<10kb) | Small (10–40kb) |

*Source: vioscaleAI. Generated 2026-10-16T21:38:22.199Z. "-" = undocumented, not absent.*