# Ember vs Stencil

**Leader by Vioscale score:** Ember

| Attribute | Ember | Stencil |
|---|---|---|
| **Vioscale score** | 71.5 (70% (medium)) | 60.9 (71% (medium)) |
| activity.commits_last_30d | 79 | 37 |
| adoption.dependent_repos | 7,078 | 1 |
| adoption.github_stars | 22,566 | 13,126 |
| adoption.package_downloads_weekly | 292,698 | 1,375,018 |
| 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. | A TypeScript-based framework for authoring standards-compliant web components and component libraries that run on any browser or framework without framework dependencies. |
| 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":"Web component compiler","bundle_size":"tiny","virtual_dom":true,"component_model":true,"typescript_first":true}` |
| 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://emberjs.com/","retrievedAt":"2026-08-13T22:58:52.188Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| release.cadence_days | 4 | 9 |
| 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/stenciljs/core/releases/tag/v4.44.2","date":"2026-08-26T16:44:04Z","type":"stable","version":"v4.44.2"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.44.1","date":"2026-08-21T11:31:44Z","type":"stable","version":"v4.44.1"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.44.0","date":"2026-08-11T15:07:47Z","type":"stable","version":"v4.44.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.5","date":"2026-05-28T19:07:17Z","type":"stable","version":"v4.43.5"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.4","date":"2026-04-13T12:46:38Z","type":"stable","version":"v4.43.4"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.3","date":"2026-04-13T12:44:59Z","type":"stable","version":"v4.43.3"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.2","date":"2026-02-27T09:27:22Z","type":"stable","version":"v4.43.2"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.1","date":"2026-02-20T17:27:50Z","type":"stable","version":"v4.43.1"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.43.0","date":"2026-02-17T08:52:30Z","type":"stable","version":"v4.43.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.42.1","date":"2026-02-06T17:46:42Z","type":"stable","version":"v4.42.1"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.42.0","date":"2026-02-01T23:42:03Z","type":"stable","version":"v4.42.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.41.3","date":"2026-01-23T12:35:33Z","type":"stable","version":"v4.41.3"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.41.2","date":"2026-01-16T10:22:43Z","type":"stable","version":"v4.41.2"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.41.1","date":"2026-01-08T23:40:35Z","type":"stable","version":"v4.41.1"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.41.0","date":"2026-01-02T22:24:06Z","type":"stable","version":"v4.41.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.40.1","date":"2025-12-23T22:42:57Z","type":"stable","version":"v4.40.1"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.40.0","date":"2025-12-23T10:16:22Z","type":"stable","version":"v4.40.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.39.0","date":"2025-12-09T11:03:02Z","type":"stable","version":"v4.39.0"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.38.3","date":"2025-11-05T20:30:11Z","type":"stable","version":"v4.38.3"},{"url":"https://github.com/stenciljs/core/releases/tag/v4.38.2","date":"2025-10-17T19:40:16Z","type":"stable","version":"v4.38.2"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 6.5 | 6.1 |
| 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=sam77-test-stencil-component&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Ember | Stencil |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Component-based reactive framework | Web component compiler |
| 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 2026-09-01T16:47:42.028Z. "-" = undocumented, not absent.*