# Joomla vs KeystoneJS

**Leader by vioscaleAI score:** KeystoneJS

| Attribute | Joomla | KeystoneJS |
|---|---|---|
| **vioscaleAI score** | 53.5 (62% (medium)) | 62.6 (61% (medium)) |
| activity.commits_last_30d | 75 | 100 |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 5,147 | 9,974 |
| content.faq | `[{"answer":"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. It is indexed under CMS Software.","source":"https://www.joomla.org","question":"What is Joomla?","confidence":0.6},{"answer":"Joomla is open source, so it can be self-hosted and used at no licence cost. It is released under the GPL-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://www.joomla.org","question":"Is Joomla free to use?","confidence":0.6},{"answer":"Joomla supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.joomla.org","question":"What platforms does Joomla support?","confidence":0.6},{"answer":"Yes. Joomla can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.joomla.org","question":"Can Joomla be self-hosted?","confidence":0.6},{"answer":"We have confirmed 8 integrations for Joomla, including 123RF, Algolia, AppVeyor, Civic, CleanTalk, CloudAccess.net, CodiumAI and Crowdin. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.joomla.org","question":"What does Joomla integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Joomla. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Joomla not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.joomla.org/privacy-policy.html","question":"What security certifications does Joomla have?","confidence":0.7},{"answer":"Yes. Joomla is published under the GPL-2.0 licence, a copyleft licence, so check its terms before embedding it in a closed-source product. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/joomla/joomla-cms","question":"Is Joomla open source?","confidence":0.95}]` | `[{"answer":"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. It is indexed under CMS Software.","source":"https://keystonejs.com","question":"What is KeystoneJS?","confidence":0.6},{"answer":"KeystoneJS 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://keystonejs.com","question":"Is KeystoneJS free to use?","confidence":0.6},{"answer":"KeystoneJS supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://keystonejs.com","question":"What platforms does KeystoneJS support?","confidence":0.6},{"answer":"Yes. KeystoneJS can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://keystonejs.com","question":"Can KeystoneJS be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for KeystoneJS, including Cloudinary, Prisma, Apollo Client and OpenTelemetry. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://keystonejs.com","question":"What does KeystoneJS integrate with?","confidence":0.6},{"answer":"Yes. KeystoneJS 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/keystonejs/keystone","question":"Is KeystoneJS open source?","confidence":0.95}]` |
| deployment.options | `{"on_prem":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | An award-winning open-source content management system that empowers users to build and manage websites and online applications with extensive customization through a large ecosystem of community-contributed components. | 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,"git_workflow":true,"headless_api":true,"pricing_model":"open_source_free","self_hostable":true,"visual_builder":true,"managed_hosting":true,"content_workflow":true,"deployment_model":"self_hosted_open_source","plugin_ecosystem":"Custom field types and extensible architecture","structured_content":true,"graphql_api_native_delivery":true,"visual_content_modeling_schema_builder":true,"granular_role_based_access_control_rbac":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 | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","summary":"Free and open source","freeTier":true,"sourceUrl":"https://www.joomla.org","retrievedAt":"2026-10-15T09:21:24.312Z"}` | `{"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 | free | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.cadence_days | 2 | 13 |
| release.history | `[{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0","date":"2026-10-13T16:00:06Z","type":"stable","version":"6.2.0"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-rc2","date":"2026-10-06T15:59:59Z","type":"prerelease","version":"6.2.0-rc2"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.10","date":"2026-10-13T16:00:02Z","type":"stable","version":"5.4.10"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.10-rc1","date":"2026-10-02T17:41:21Z","type":"prerelease","version":"5.4.10-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-rc1","date":"2026-09-29T17:20:27Z","type":"prerelease","version":"6.2.0-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.4","date":"2026-09-29T16:02:41Z","type":"stable","version":"6.1.4"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.1.4-rc1","date":"2026-09-17T16:00:11Z","type":"prerelease","version":"6.1.4-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.9","date":"2026-09-29T16:00:49Z","type":"stable","version":"5.4.9"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/5.4.9-rc1","date":"2026-09-17T16:00:00Z","type":"prerelease","version":"5.4.9-rc1"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-beta3","date":"2026-09-15T16:00:01Z","type":"prerelease","version":"6.2.0-beta3"},{"url":"https://github.com/joomla/joomla-cms/releases/tag/6.2.0-beta2","date":"2026-09-01T15:16:25Z","type":"prerelease","version":"6.2.0-beta2"},{"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/keystonejs/keystone/releases/tag/2026-08-31","date":"2026-08-31T04:57:56Z","type":"stable","version":"2026-08-31"},{"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"}]` |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | - |
| security.scorecard | 4.5 | 5.2 |
| 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: vioscaleAI. Generated 2026-10-17T01:29:57.600Z. "-" = undocumented, not absent.*