# Joomla vs KeystoneJS

| Attribute | Joomla | KeystoneJS |
|---|---|---|
| **Vioscale score** | 56.5 (66% (medium)) | 58.9 (56% (medium)) |
| activity.commits_last_30d | 38 | 100 |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 5,125 | 9,963 |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Joomla is a free, open-source CMS that enables users to build, manage, and customize websites and online applications. It features a large ecosystem of free extensions and templates, multilingual support, flexible user permission systems, and can be deployed via self-hosting or managed hosting services. | A headless CMS for developers that provides a GraphQL API and management UI for content and data. Developers define a schema and get a powerful backend without boilerplate or bootstrapping. |
| features.capabilities | `{"cms_type":"traditional","free_tier":true,"open_source":true,"git_workflow":true,"localization":true,"self_hostable":true,"managed_hosting":true,"content_workflow":true,"plugin_ecosystem":"Thousands of free extensions and templates","structured_content":true}` | `{"cms_type":"headless","free_tier":true,"open_source":true,"headless_api":true,"self_hostable":true,"visual_builder":false,"content_workflow":true,"plugin_ecosystem":"Custom field types and extensible architecture","structured_content":true}` |
| integrations.count | 8 | 4 |
| integrations.list | `[{"name":"123RF"},{"name":"Algolia"},{"name":"AppVeyor"},{"name":"Civic"},{"name":"CleanTalk"},{"name":"CloudAccess.net"},{"name":"CodiumAI"},{"name":"Crowdin"}]` | `[{"name":"Cloudinary"},{"name":"Prisma"},{"name":"Apollo Client"},{"name":"OpenTelemetry"}]` |
| language.primary | PHP | TypeScript |
| license.spdx | GPL-2.0 | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","summary":"Free and open-source","freeTier":true,"sourceUrl":"https://www.joomla.org","retrievedAt":"2026-08-13T22:23:26.266Z"}` | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://keystonejs.com","retrievedAt":"2026-08-03T14:26:59.733Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 14 |
| release.history | `[{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-beta1","date":"2026-08-18T18:31:13Z","type":"prerelease","version":"6.2.0-beta1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.3","date":"2026-08-18T15:57:09Z","type":"stable","version":"6.1.3"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.3-rc2","date":"2026-08-15T21:26:06Z","type":"prerelease","version":"6.1.3-rc2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.8","date":"2026-08-18T15:58:36Z","type":"stable","version":"5.4.8"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.8-rc2","date":"2026-08-15T16:30:35Z","type":"prerelease","version":"5.4.8-rc2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.3-rc1","date":"2026-08-11T21:05:31Z","type":"prerelease","version":"6.1.3-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.8-rc1","date":"2026-08-11T17:45:29Z","type":"prerelease","version":"5.4.8-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-alpha3","date":"2026-07-21T16:00:13Z","type":"prerelease","version":"6.2.0-alpha3"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.2","date":"2026-07-07T16:00:19Z","type":"stable","version":"6.1.2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.2-rc3","date":"2026-07-02T07:15:10Z","type":"prerelease","version":"6.1.2-rc3"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.2-rc2","date":"2026-06-27T18:38:21Z","type":"prerelease","version":"6.1.2-rc2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.2-rc1","date":"2026-06-27T07:14:28Z","type":"prerelease","version":"6.1.2-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.7","date":"2026-07-07T16:00:03Z","type":"stable","version":"5.4.7"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.7-rc1","date":"2026-06-27T07:10:43Z","type":"prerelease","version":"5.4.7-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-alpha2","date":"2026-06-23T16:01:24Z","type":"prerelease","version":"6.2.0-alpha2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-alpha1","date":"2026-05-26T18:12:43Z","type":"prerelease","version":"6.2.0-alpha1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.6","date":"2026-05-26T16:00:11Z","type":"stable","version":"5.4.6"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.1","date":"2026-05-26T16:00:46Z","type":"stable","version":"6.1.1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.1-rc1","date":"2026-05-15T08:08:34Z","type":"prerelease","version":"6.1.1-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.6-rc1","date":"2026-05-14T09:05:26Z","type":"prerelease","version":"5.4.6-rc1"}]` | `[{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-08-20","date":"2026-08-20T01:10:41Z","type":"stable","version":"2026-08-20"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-08-18","date":"2026-08-18T05:59:51Z","type":"stable","version":"2026-08-18"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-08-11","date":"2026-08-11T07:07:11Z","type":"stable","version":"2026-08-11"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-08-10","date":"2026-08-10T00:47:02Z","type":"stable","version":"2026-08-10"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-08-03","date":"2026-08-03T04:54:56Z","type":"stable","version":"2026-08-03"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-07-31","date":"2026-07-31T07:00:27Z","type":"stable","version":"2026-07-31"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-07-28","date":"2026-07-28T00:02:33Z","type":"stable","version":"2026-07-28"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-07-21","date":"2026-07-21T04:06:31Z","type":"stable","version":"2026-07-21"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-07-01","date":"2026-07-01T02:01:17Z","type":"stable","version":"2026-07-01"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2026-03-19","date":"2026-03-20T00:04:21Z","type":"stable","version":"2026-03-19"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2025-05-06","date":"2025-05-05T23:28:38Z","type":"stable","version":"2025-05-06"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2025-05-05","date":"2025-05-05T03:38:19Z","type":"stable","version":"2025-05-05"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2025-02-24","date":"2025-02-24T02:39:57Z","type":"stable","version":"2025-02-24"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-11-07","date":"2024-11-07T03:43:43Z","type":"stable","version":"2024-11-07"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-08-28","date":"2024-08-28T11:48:04Z","type":"stable","version":"2024-08-28"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-08-09","date":"2024-08-09T02:23:08Z","type":"stable","version":"2024-08-09"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-04-30","date":"2024-04-30T06:08:38Z","type":"stable","version":"2024-04-30"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-04-16","date":"2024-04-16T01:47:15Z","type":"stable","version":"2024-04-16"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-04-02","date":"2024-04-02T01:56:33Z","type":"stable","version":"2024-04-02"},{"url":"https://github.com/keystonejs/keystone/releases/tag/2024-02-07","date":"2024-02-07T03:09:11Z","type":"stable","version":"2024-02-07"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.scorecard | 4.4 | 5.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fjoomla%2Fjoomla-cms&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (CMS Software)

| Capability | Joomla | KeystoneJS |
|---|:--:|:--:|
| **Core** |  |  |
| CMS type | Traditional / monolithic | Headless / API-first |
| **Licensing** |  |  |
| Open-source | ✓ | ✓ |
| **Deployment** |  |  |
| Self-hostable | ✓ | ✓ |
| Managed / cloud hosting offered | ✓ | - |
| **Delivery** |  |  |
| Headless API (REST/GraphQL) | - | ✓ |
| **Content** |  |  |
| Structured content modelling | ✓ | ✓ |
| Localisation / i18n | ✓ | - |
| Content workflow / approvals | ✓ | ✓ |
| **Editing** |  |  |
| Visual / no-code page builder | - | ✗ |
| **Extensibility** |  |  |
| Plugin / app ecosystem size | Thousands of free extensions and templates | Custom field types and extensible architecture |
| **Scale** |  |  |
| Multi-site / multi-tenant | - | - |
| **Workflow** |  |  |
| Git-based / code-first workflow | ✓ | - |
| **Pricing** |  |  |
| Free / open tier | ✓ | ✓ |

*Source: Vioscale. Generated 2026-09-01T16:32:49.478Z. "-" = undocumented, not absent.*