# Chakra UI vs Ember

**Leader by vioscaleAI score:** Ember

| Attribute | Chakra UI | Ember |
|---|---|---|
| **vioscaleAI score** | 62.1 (66% (medium)) | 70.4 (70% (medium)) |
| activity.commits_last_30d | 29 | 100 |
| adoption.dependent_repos | 39,940 | 7,078 |
| adoption.github_stars | 40,684 | 22,564 |
| adoption.package_downloads_weekly | 1,590,269 | 244,428 |
| content.faq | `[{"answer":"A React component library that enables rapid web application development through pre-built, accessible components designed for building complete applications and design systems. It is indexed under Frontend UI Frameworks.","source":"https://chakra-ui.com/","question":"What is Chakra UI?","confidence":0.6},{"answer":"Chakra 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://chakra-ui.com/","question":"Is Chakra UI free to use?","confidence":0.6},{"answer":"Chakra 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://chakra-ui.com/","question":"What platforms does Chakra UI support?","confidence":0.6},{"answer":"Yes. Chakra 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/chakra-ui/chakra-ui","question":"Is Chakra UI open source?","confidence":0.99}]` | `[{"answer":"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. It is indexed under Frontend UI Frameworks.","source":"https://emberjs.com/","question":"What is Ember?","confidence":0.6},{"answer":"Ember 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://emberjs.com/","question":"Is Ember free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Ember. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://emberjs.com/","question":"What platforms does Ember support?","confidence":0.6},{"answer":"Yes. Ember 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/emberjs/ember.js","question":"Is Ember open source?","confidence":0.99},{"answer":"Ember is available worldwide. The vendor is headquartered in the United States.","source":"https://emberjs.com/","question":"Where is Ember available?","confidence":0.75}]` |
| deployment.options | - | `{"self_hosted":true}` |
| description.long | Chakra UI offers a set of React UI components designed with accessibility in mind. It helps developers build web applications and design systems quickly, with built-in support for frameworks like Next.js. | A framework that enables developers to create complex web applications using a component-based architecture with reactive data binding and template-driven views. |
| features.capabilities | `{"paradigm":"React component library","ssr_support":true,"virtual_dom":true,"component_model":true,"router_official":false,"state_management":false,"typescript_first":true,"signals_reactivity":false}` | `{"paradigm":"Component-based reactive framework","bundle_size":"small","virtual_dom":true,"component_model":true,"router_official":true,"state_management":true,"signals_reactivity":true}` |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"Next.js"},{"name":"Emotion"}]` | - |
| language.primary | TypeScript | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://chakra-ui.com/","retrievedAt":"2026-08-14T10:17:43.884Z"}` | `{"type":"open_source","sourceUrl":"https://emberjs.com/","retrievedAt":"2026-10-13T13:47:22.736Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 4 |
| release.history | `[{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/react%403.37.0","date":"2026-08-28T09:56:45Z","type":"stable","version":"@chakra-ui/react@3.37.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/panda-preset%403.37.0","date":"2026-08-28T09:56:48Z","type":"stable","version":"@chakra-ui/panda-preset@3.37.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/codemod%403.37.0","date":"2026-08-28T09:56:51Z","type":"stable","version":"@chakra-ui/codemod@3.37.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/cli%403.37.0","date":"2026-08-28T09:56:39Z","type":"stable","version":"@chakra-ui/cli@3.37.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/charts%403.37.0","date":"2026-08-28T09:56:42Z","type":"stable","version":"@chakra-ui/charts@3.37.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/react%403.36.1","date":"2026-07-19T14:32:16Z","type":"stable","version":"@chakra-ui/react@3.36.1"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/panda-preset%403.36.1","date":"2026-07-19T14:32:22Z","type":"stable","version":"@chakra-ui/panda-preset@3.36.1"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/codemod%403.36.1","date":"2026-07-19T14:32:10Z","type":"stable","version":"@chakra-ui/codemod@3.36.1"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/cli%403.36.1","date":"2026-07-19T14:32:13Z","type":"stable","version":"@chakra-ui/cli@3.36.1"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/charts%403.36.1","date":"2026-07-19T14:32:19Z","type":"stable","version":"@chakra-ui/charts@3.36.1"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/react%403.36.0","date":"2026-06-10T14:16:51Z","type":"stable","version":"@chakra-ui/react@3.36.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/panda-preset%403.36.0","date":"2026-06-10T14:16:42Z","type":"stable","version":"@chakra-ui/panda-preset@3.36.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/codemod%403.36.0","date":"2026-06-10T14:16:54Z","type":"stable","version":"@chakra-ui/codemod@3.36.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/cli%403.36.0","date":"2026-06-10T14:16:48Z","type":"stable","version":"@chakra-ui/cli@3.36.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/charts%403.36.0","date":"2026-06-10T14:16:45Z","type":"stable","version":"@chakra-ui/charts@3.36.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/react%403.35.0","date":"2026-04-22T16:14:13Z","type":"stable","version":"@chakra-ui/react@3.35.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/panda-preset%403.35.0","date":"2026-04-22T16:14:07Z","type":"stable","version":"@chakra-ui/panda-preset@3.35.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/codemod%403.35.0","date":"2026-04-22T16:14:10Z","type":"stable","version":"@chakra-ui/codemod@3.35.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/cli%403.35.0","date":"2026-04-22T16:14:04Z","type":"stable","version":"@chakra-ui/cli@3.35.0"},{"url":"https://github.com/chakra-ui/chakra-ui/releases/tag/%40chakra-ui/charts%403.35.0","date":"2026-04-22T16:14:16Z","type":"stable","version":"@chakra-ui/charts@3.35.0"}]` | `[{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.3.0-ember-source","date":"2026-09-14T21:04:16Z","type":"stable","version":"v7.3.0-ember-source"},{"url":"https://github.com/emberjs/ember.js/releases/tag/v7.2.1-ember-source","date":"2026-09-14T20:56:11Z","type":"stable","version":"v7.2.1-ember-source"},{"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"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | 5.6 | 6.9 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40chakra-ui%2Fsystem&per_page=100","last_12m":0,"max_severity":null}` | `{"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}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Chakra UI | Ember |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | React component library | Component-based reactive framework |
| 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) |

*Source: vioscaleAI. Generated 2026-10-16T20:43:47.775Z. "-" = undocumented, not absent.*