# Storybook vs Theo

**Leader by vioscaleAI score:** Storybook

| Attribute | Storybook | Theo |
|---|---|---|
| **vioscaleAI score** | 59 (62% (medium)) | 39.2 (48% (low)) |
| activity.commits_last_30d | 100 | 0 |
| adoption.dependent_repos | - | 165 |
| adoption.github_stars | 91,250 | 1,990 |
| content.faq | `[{"answer":"An open-source workshop tool that enables teams to develop and showcase UI components independently without requiring the full application to run. It supports multiple frameworks and provides integrated features for testing, documentation, and component state management. It is indexed under Design Systems.","source":"https://storybook.js.org","question":"What is Storybook?","confidence":0.6},{"answer":"Storybook 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://storybook.js.org","question":"Is Storybook free to use?","confidence":0.6},{"answer":"Storybook supports the web, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://storybook.js.org","question":"What platforms does Storybook support?","confidence":0.6},{"answer":"Yes. Storybook can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://storybook.js.org","question":"Can Storybook be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Storybook, including Figma, GraphQL and Google Analytics. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://storybook.js.org","question":"What does Storybook integrate with?","confidence":0.6},{"answer":"Yes. Storybook 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/storybookjs/storybook","question":"Is Storybook open source?","confidence":0.95}]` | `[{"answer":"Theo is an open-source design token transformation tool that enables teams to maintain design system values like colors, fonts, and spacing in a single source of truth. It automatically generates formatted output for different platforms and languages, including Sass, CSS, Android XML, and JavaScript. It is indexed under Design Systems.","source":"https://github.com/pricing","question":"What is Theo?","confidence":0.6},{"answer":"Theo supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Theo support?","confidence":0.6},{"answer":"Yes. Theo can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can Theo be self-hosted?","confidence":0.6},{"answer":"Yes. Theo is published under the BSD-3-Clause 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/salesforce-ux/theo","question":"Is Theo open source?","confidence":0.95}]` |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | An environment where developers build, document, and test UI components in isolation, making it easier to develop edge cases and handle complex states without running the full application or dealing with business logic. | Theo is a framework for converting centralized design token files into platform-specific formats, allowing teams to share design information like colors and fonts across web, iOS, Android, and other platforms. |
| features.capabilities | `{"pricing_model":"free_open_source","architecture_model":"open_source_framework","mit_or_apache_permissive_oss_license":true,"interactive_storybook_react_component_embedding":true,"markdown_and_mdx_custom_documentation_authoring":true}` | `{"pricing_model":"free_open_source","architecture_model":"open_source_framework","mit_or_apache_permissive_oss_license":true}` |
| integrations.count | 3 | - |
| integrations.list | `[{"name":"Figma","native":true,"category":"design","direction":"outbound"},{"name":"GraphQL","native":true,"direction":"inbound"},{"name":"Google Analytics","native":true,"category":"analytics","direction":"outbound"}]` | - |
| language.primary | TypeScript | JavaScript |
| license.spdx | MIT | BSD-3-Clause |
| platform.support | `{"cli":true,"ios":true,"web":true,"android":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://storybook.js.org","retrievedAt":"2026-09-01T14:52:05.853Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-10-12T15:24:07.163Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | 1 | 20 |
| release.history | `[{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.5","date":"2026-10-09T15:42:12Z","type":"prerelease","version":"v11.0.0-alpha.5"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.4","date":"2026-10-07T08:14:42Z","type":"prerelease","version":"v11.0.0-alpha.4"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.3","date":"2026-10-06T06:30:36Z","type":"prerelease","version":"v11.0.0-alpha.3"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.2","date":"2026-10-05T14:30:44Z","type":"prerelease","version":"v11.0.0-alpha.2"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.1","date":"2026-09-29T17:16:20Z","type":"stable","version":"v10.6.1"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.1","date":"2026-09-19T07:57:18Z","type":"prerelease","version":"v11.0.0-alpha.1"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.0","date":"2026-09-02T14:10:09Z","type":"prerelease","version":"v11.0.0-alpha.0"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0","date":"2026-09-02T13:57:23Z","type":"stable","version":"v10.6.0"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-beta.3","date":"2026-09-02T11:44:02Z","type":"prerelease","version":"v10.6.0-beta.3"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-beta.2","date":"2026-09-01T22:36:49Z","type":"prerelease","version":"v10.6.0-beta.2"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-beta.1","date":"2026-09-01T09:58:51Z","type":"prerelease","version":"v10.6.0-beta.1"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-beta.0","date":"2026-08-27T11:58:06Z","type":"prerelease","version":"v10.6.0-beta.0"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-alpha.9","date":"2026-08-26T11:19:56Z","type":"prerelease","version":"v10.6.0-alpha.9"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-alpha.8","date":"2026-08-25T09:55:54Z","type":"prerelease","version":"v10.6.0-alpha.8"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-alpha.7","date":"2026-08-20T09:30:23Z","type":"prerelease","version":"v10.6.0-alpha.7"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.5.10","date":"2026-08-20T11:02:19Z","type":"stable","version":"v10.5.10"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.5.9","date":"2026-08-18T07:02:34Z","type":"stable","version":"v10.5.9"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-alpha.6","date":"2026-08-17T07:29:46Z","type":"prerelease","version":"v10.6.0-alpha.6"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.5.8","date":"2026-08-13T14:09:31Z","type":"stable","version":"v10.5.8"},{"url":"https://github.com/storybookjs/storybook/releases/tag/v10.6.0-alpha.5","date":"2026-08-10T09:06:19Z","type":"prerelease","version":"v10.6.0-alpha.5"}]` | `[{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.1.5","date":"2020-01-27T20:04:05Z","type":"stable","version":"v8.1.5"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.1.4","date":"2019-07-31T17:08:47Z","type":"stable","version":"v8.1.4"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.1.3","date":"2019-05-28T17:40:47Z","type":"stable","version":"v8.1.3"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.1.1","date":"2018-12-20T15:21:17Z","type":"stable","version":"v8.1.1"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.0.1","date":"2018-11-27T15:55:37Z","type":"stable","version":"v8.0.1"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.0.0","date":"2018-10-25T14:39:59Z","type":"stable","version":"v8.0.0"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.0.0-beta.2","date":"2018-07-13T14:10:53Z","type":"prerelease","version":"v8.0.0-beta.2"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v8.0.0-beta.1","date":"2018-07-10T15:01:33Z","type":"prerelease","version":"v8.0.0-beta.1"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v7.0.1","date":"2018-02-28T21:19:25Z","type":"stable","version":"v7.0.1"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v7.0.0","date":"2018-02-28T20:33:05Z","type":"stable","version":"v7.0.0"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v6.0.0","date":"2018-01-31T16:52:49Z","type":"stable","version":"v6.0.0"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0","date":"2017-01-18T02:37:14Z","type":"stable","version":"v5.0.0"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-rc.7","date":"2017-01-11T22:24:09Z","type":"prerelease","version":"v5.0.0-rc.7"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-rc.6","date":"2017-01-11T19:37:46Z","type":"prerelease","version":"v5.0.0-rc.6"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-rc.5","date":"2016-12-21T22:54:54Z","type":"prerelease","version":"v5.0.0-rc.5"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-rc.4","date":"2016-12-21T01:04:21Z","type":"prerelease","version":"v5.0.0-rc.4"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-beta.7","date":"2016-12-20T20:18:54Z","type":"prerelease","version":"v5.0.0-beta.7"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-beta.6","date":"2016-12-20T07:11:41Z","type":"prerelease","version":"v5.0.0-beta.6"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-beta.5","date":"2016-12-19T23:59:10Z","type":"prerelease","version":"v5.0.0-beta.5"},{"url":"https://github.com/salesforce-ux/theo/releases/tag/v5.0.0-beta.4","date":"2016-12-16T02:32:22Z","type":"prerelease","version":"v5.0.0-beta.4"}]` |
| security.scorecard | 7.2 | 3.5 |
| security.trust_center | - | https://github.com/security |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=theo&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Design Systems)

| Capability | Storybook | Theo |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Open source framework | Open source framework |
| Design token variable translation engine figma to code | - | - |
| Interactive storybook react component embedding | ✓ | - |
| Continuous integration ci github gitlab token sync | - | - |
| Visual regression testing and component history | - | - |
| Markdown and mdx custom documentation authoring | ✓ | - |
| Brand asset management hub for logos and fonts | - | - |
| Version control and releaseing for brand guidelines | - | - |
| W3c design token format specification support | - | - |
| Multi tenant theme support for white labeling | - | - |
| SOC2 type ii | - | - |
| Mit or apache permissive oss license | ✓ | ✓ |
| Pricing model | Free open source | Free open source |

*Source: vioscaleAI. Generated 2026-10-16T22:25:00.907Z. "-" = undocumented, not absent.*