# Builder.io vs KeystoneJS

**Leader by vioscaleAI score:** KeystoneJS

| Attribute | Builder.io | KeystoneJS |
|---|---|---|
| **vioscaleAI score** | 53.3 (70% (medium)) | 62.6 (61% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.github_stars | - | 9,974 |
| content.faq | `[{"answer":"Builder.io is a visual development platform that combines code editing, AI-assisted code generation, and design tools. Teams work collaboratively on web applications and components using visual editing, drag-and-drop design, or traditional coding, with automatic design system integration and content approval workflows. It is indexed under CMS Software.","source":"https://www.builder.io","question":"What is Builder.io?","confidence":0.6},{"answer":"Builder.io offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.builder.io","question":"Is Builder.io free?","confidence":0.6},{"answer":"Builder.io 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.builder.io","question":"What platforms does Builder.io support?","confidence":0.6},{"answer":"Yes. Builder.io can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.builder.io","question":"Can Builder.io be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for Builder.io, including Jira, Supabase, Figma, GitHub, OpenAI, Anthropic, Slack and React, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.builder.io","question":"What does Builder.io integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Builder.io. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Builder.io not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.builder.io","question":"What security certifications does Builder.io have?","confidence":0.48}]` | `[{"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 | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Builder.io is a visual development platform that combines code editing, AI-assisted code generation, and design tools. Teams work collaboratively on web applications and components using visual editing, drag-and-drop design, or traditional coding, with automatic design system integration and content approval workflows. | 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":"builder","free_tier":true,"open_source":true,"vcs_push_pr":true,"figma_import":true,"git_workflow":true,"headless_api":true,"delivery_mode":"multiple","pricing_model":"open-source-self-host","self_hostable":true,"visual_builder":true,"managed_hosting":true,"content_workflow":true,"deployment_model":"cloud_managed_saas","plugin_ecosystem":"Model Context Protocol (MCP) servers for extensibility and custom integrations","rest_api_delivery":true,"architecture_model":"hybrid","structured_content":true,"design_tokens_export":true,"text_prompt_generation":true,"webhooks_event_triggers":true,"graphql_api_native_delivery":true,"component_design_system_mapping":true,"real_time_visual_preview_editor":true,"visual_content_modeling_schema_builder":true,"granular_role_based_access_control_rbac":true,"design_token_variable_support_and_export_css_variables":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 | 5 | 4 |
| integrations.list | `[{"name":"Jira"},{"name":"Supabase"},{"name":"Figma"},{"name":"GitHub"},{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Slack"},{"name":"React"},{"name":"Vue"},{"name":"Svelte"},{"name":"Qwik"},{"name":"Zapier"}]` | `[{"name":"Cloudinary"},{"name":"Prisma"},{"name":"Apollo Client"},{"name":"OpenTelemetry"}]` |
| language.primary | - | TypeScript |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://www.builder.io","retrievedAt":"2026-09-08T18:42:27.697Z"}` | `{"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 | no | yes |
| release.cadence_days | - | 13 |
| release.history | - | `[{"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 | - | 5.2 |
| security.soc2 | yes | - |
| security.trust_center | https://www.builder.io/c/docs/trusted-hosts | - |

## Capabilities (CMS Software)

| Capability | Builder.io | KeystoneJS |
|---|:--:|:--:|
| **Core** |  |  |
| CMS type | Hosted website builder | 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 | Model Context Protocol (MCP) servers for extensibility and custom integrations | Custom field types and extensible architecture |
| **Scale** |  |  |
| Multi-site / multi-tenant | - | - |
| **Workflow** |  |  |
| Git-based / code-first workflow | ✓ | ✓ |
| **Pricing** |  |  |
| Free / open tier | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-17T05:43:10.419Z. "-" = undocumented, not absent.*