# Ember vs Headless UI

| Attribute | Ember | Headless UI |
|---|---|---|
| **Vioscale score** | 71.5 (70% (medium)) | 68.9 (62% (medium)) |
| activity.commits_last_30d | 79 | - |
| adoption.dependent_repos | 7,078 | 45,352 |
| adoption.github_stars | 22,566 | 28,721 |
| adoption.package_downloads_weekly | 292,698 | 7,182,960 |
| 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. | Open-source library of fully accessible UI components designed to be completely unstyled, providing seamless integration with Tailwind CSS |
| 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":"Headless component library","bundle_size":"tiny","ssr_support":true,"virtual_dom":true,"component_model":true}` |
| integrations.count | - | 3 |
| integrations.list | - | `[{"name":"React"},{"name":"Vue"},{"name":"Tailwind CSS"}]` |
| language.primary | TypeScript | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"web":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://headlessui.com/","retrievedAt":"2026-08-13T23:00:21.344Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 4 | 12 |
| 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/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.10","date":"2026-04-07T17:11:30Z","type":"stable","version":"@headlessui/react@v2.2.10"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.9","date":"2025-09-25T13:51:49Z","type":"stable","version":"@headlessui/react@v2.2.9"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.8","date":"2025-09-12T15:34:21Z","type":"stable","version":"@headlessui/react@v2.2.8"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.7","date":"2025-07-30T14:04:23Z","type":"stable","version":"@headlessui/react@v2.2.7"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.6","date":"2025-07-24T14:50:04Z","type":"stable","version":"@headlessui/react@v2.2.6"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.5","date":"2025-07-23T11:23:56Z","type":"stable","version":"@headlessui/react@v2.2.5"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.4","date":"2025-05-20T14:17:25Z","type":"stable","version":"@headlessui/react@v2.2.4"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.3","date":"2025-05-12T21:49:39Z","type":"stable","version":"@headlessui/react@v2.2.3"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.2","date":"2025-04-17T13:18:58Z","type":"stable","version":"@headlessui/react@v2.2.2"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.1","date":"2025-04-04T14:48:26Z","type":"stable","version":"@headlessui/react@v2.2.1"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/tailwindcss%40v0.2.2","date":"2025-02-06T13:22:42Z","type":"stable","version":"@headlessui/tailwindcss@v0.2.2"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.2.0","date":"2024-10-25T13:52:27Z","type":"stable","version":"@headlessui/react@v2.2.0"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.10","date":"2024-10-10T18:58:56Z","type":"stable","version":"@headlessui/react@v2.1.10"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.9","date":"2024-10-03T09:58:43Z","type":"stable","version":"@headlessui/react@v2.1.9"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.8","date":"2024-09-12T10:36:03Z","type":"stable","version":"@headlessui/react@v2.1.8"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.7","date":"2024-09-11T15:33:57Z","type":"stable","version":"@headlessui/react@v2.1.7"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/vue%40v1.7.23","date":"2024-09-09T09:07:12Z","type":"stable","version":"@headlessui/vue@v1.7.23"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.6","date":"2024-09-09T19:15:42Z","type":"stable","version":"@headlessui/react@v2.1.6"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.5","date":"2024-09-04T14:37:47Z","type":"stable","version":"@headlessui/react@v2.1.5"},{"url":"https://github.com/tailwindlabs/headlessui/releases/tag/%40headlessui/react%40v2.1.4","date":"2024-09-03T15:26:48Z","type":"stable","version":"@headlessui/react@v2.1.4"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 6.5 | 4.2 |
| 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=%40headlessui%2Freact&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Ember | Headless UI |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Component-based reactive framework | Headless component library |
| 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) | Tiny (<10kb) |

*Source: Vioscale. Generated 2026-09-01T17:08:58.606Z. "-" = undocumented, not absent.*