# Ember vs Lit

**Leader by Vioscale score:** Ember

| Attribute | Ember | Lit |
|---|---|---|
| **Vioscale score** | 71.5 (70% (medium)) | 64.5 (63% (medium)) |
| activity.commits_last_30d | 79 | 0 |
| adoption.dependent_repos | 7,078 | 22,879 |
| adoption.github_stars | 22,566 | 21,788 |
| adoption.package_downloads_weekly | 292,698 | 7,186,164 |
| 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 framework built on Web Components standards that adds reactivity and declarative templates while keeping bundle size tiny. Components update only their dynamic parts, eliminating the need for virtual DOM diffing. |
| 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 Components with reactive properties","bundle_size":"tiny","virtual_dom":false,"component_model":true,"router_official":false,"state_management":true,"typescript_first":true,"signals_reactivity":true}` |
| language.primary | TypeScript | TypeScript |
| license.spdx | MIT | BSD-3-Clause |
| 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","summary":"Open source, free to use","freeTier":true,"sourceUrl":"https://lit.dev/","retrievedAt":"2026-08-13T23:02:02.922Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 4 | - |
| 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/lit/lit/releases/tag/lit%403.3.3","date":"2026-05-14T03:56:19Z","type":"stable","version":"lit@3.3.3"},{"url":"https://github.com/lit/lit/releases/tag/lit-html%403.3.3","date":"2026-05-14T03:56:01Z","type":"stable","version":"lit-html@3.3.3"},{"url":"https://github.com/lit/lit/releases/tag/%40lit/localize-tools%400.8.2","date":"2026-05-14T03:56:16Z","type":"stable","version":"@lit/localize-tools@0.8.2"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/ssr%404.1.0","date":"2026-05-14T03:56:04Z","type":"stable","version":"@lit-labs/ssr@4.1.0"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/ssr-dom-shim%401.6.0","date":"2026-05-14T03:56:22Z","type":"stable","version":"@lit-labs/ssr-dom-shim@1.6.0"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/signals%400.3.0","date":"2026-05-14T03:56:10Z","type":"stable","version":"@lit-labs/signals@0.3.0"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/rollup-plugin-minify-html-literals%400.2.0","date":"2026-05-14T03:56:07Z","type":"stable","version":"@lit-labs/rollup-plugin-minify-html-literals@0.2.0"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/gen-manifest%400.3.6","date":"2026-05-14T03:56:13Z","type":"stable","version":"@lit-labs/gen-manifest@0.3.6"},{"url":"https://github.com/lit/lit/releases/tag/lit%403.3.1","date":"2025-07-11T03:37:03Z","type":"stable","version":"lit@3.3.1"},{"url":"https://github.com/lit/lit/releases/tag/lit-html%403.3.1","date":"2025-07-11T03:37:00Z","type":"stable","version":"lit-html@3.3.1"},{"url":"https://github.com/lit/lit/releases/tag/lit-element%404.2.1","date":"2025-07-11T03:37:42Z","type":"stable","version":"lit-element@4.2.1"},{"url":"https://github.com/lit/lit/releases/tag/%40lit/task%401.0.3","date":"2025-07-11T03:37:27Z","type":"stable","version":"@lit/task@1.0.3"},{"url":"https://github.com/lit/lit/releases/tag/%40lit/reactive-element%402.1.1","date":"2025-07-11T03:37:33Z","type":"stable","version":"@lit/reactive-element@2.1.1"},{"url":"https://github.com/lit/lit/releases/tag/%40lit/react%401.0.8","date":"2025-07-11T03:37:36Z","type":"stable","version":"@lit/react@1.0.8"},{"url":"https://github.com/lit/lit/releases/tag/%40lit/context%401.1.6","date":"2025-07-11T03:36:54Z","type":"stable","version":"@lit/context@1.1.6"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/vue-utils%400.1.3","date":"2025-07-11T03:37:06Z","type":"stable","version":"@lit-labs/vue-utils@0.1.3"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/virtualizer%402.1.1","date":"2025-07-11T03:37:39Z","type":"stable","version":"@lit-labs/virtualizer@2.1.1"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/ssr-react%400.3.3","date":"2025-07-11T03:37:24Z","type":"stable","version":"@lit-labs/ssr-react@0.3.3"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/ssr-dom-shim%401.4.0","date":"2025-07-11T03:37:15Z","type":"stable","version":"@lit-labs/ssr-dom-shim@1.4.0"},{"url":"https://github.com/lit/lit/releases/tag/%40lit-labs/signals%400.1.3","date":"2025-07-11T03:37:30Z","type":"stable","version":"@lit-labs/signals@0.1.3"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 6.5 | 6 |
| 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=lit-html&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Frontend UI Frameworks)

| Capability | Ember | Lit |
|---|:--:|:--:|
| **Core** |  |  |
| Paradigm | Component-based reactive framework | Web Components with reactive properties |
| 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 2026-09-01T16:44:54.468Z. "-" = undocumented, not absent.*