Source: https://seerepo.com/compare/carbon-design-system/carbon/vs/gatsbyjs/gatsby
Markdown source: https://seerepo.com/compare/carbon-design-system/carbon/vs/gatsbyjs/gatsby.md
Description: carbon and gatsby share 8 technologies: React, GitHub, prop-types, joi, enquirer, Autoprefixer, PostCSS, and postcss-flexbugs-fixes. Both are written in TypeScript.

# carbon vs gatsby

carbon and gatsby share 8 technologies: React, GitHub, prop-types, joi, enquirer, Autoprefixer, PostCSS, and postcss-flexbugs-fixes. Both are written in TypeScript.

- [carbon-design-system/carbon](https://seerepo.com/r/carbon-design-system/carbon): A design system built by IBM
- [gatsbyjs/gatsby](https://seerepo.com/r/gatsbyjs/gatsby): React-based framework with performance, scalability, and security built in.

## What they share and what sets them apart

- In common: React, GitHub, prop-types, joi, enquirer, Autoprefixer, PostCSS, postcss-flexbugs-fixes
- Only in carbon: Vue, Lit, Sass, progress-estimator, js-yaml, svgson, classnames, @floating-ui/react, downshift, flatpickr, motion, tabbable, css, cssnano, @floating-ui/dom, @webcomponents/webcomponentsjs
- Only in gatsby: Express, @gatsbyjs/reach-router, better-queue, Contentful, express-graphql, lmdb, history, cache-manager, cache-manager-fs-hash, graphql-http, theme-ui, @emotion/react, Normalize.css, Gatsby, strict-ui, react-instantsearch-dom, @feedback-fish/react, prism-react-renderer, react-error-boundary, react-icons, react-markdown, unist-util-remove, glamor, ink, ink-select-input, ink-spinner, unist-util-visit, @mdx-js/react, remark-mdx, remark-mdxjs, remark-parse, remark-stringify, unified, @hapi/joi, boxen, progress, prompts, @emotion/styled, file-type, graphiql, cxs, rss, react-jss, vfile, gray-matter, mdast-util-mdx, mdast-util-to-hast, mdast-util-toc, rehype-infer-description-meta, remark, accessible-nprogress, sharp, styled-components, styled-jsx, styletron-engine-atomic, styletron-react, react-typography, @contentful/rich-text-react-renderer, Cheerio, valid-url

## Side by side

| | carbon | gatsby |
|---|---|---|
| Size | 525,904 lines written, 2,016 code files | 344,142 lines written, 1,362 code files |
| Who writes it | 0% of its commits signed by AI. With Claude Code | 0% of its commits signed by AI. With GitHub Copilot and Claude Code |
| Activity | Last push November 14, 2026, 14,276 commits, 9,624 stars | Last push November 11, 2026, 21,541 commits, 55,914 stars |
| Tests | 824 test files. 17.2% of its code files have a test that imports them | 1,769 test files. 22.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, carbon or gatsby?

carbon, with 525,904 lines written; gatsby has 344,142.

The proof: [carbon-design-system/carbon's code at commit fa75d78](https://github.com/carbon-design-system/carbon/tree/fa75d78b0d4b9e78e1e76bf3e459f4fc12eabeef)

### Which has more GitHub stars, carbon or gatsby?

gatsby, with 55,914 stars; carbon has 9,624.

The proof: [gatsbyjs/gatsby on GitHub](https://github.com/gatsbyjs/gatsby)

### Which has more tests, carbon or gatsby?

gatsby, with 1,769 test files; carbon has 824.

The proof: [gatsbyjs/gatsby's code at commit 0ac6c88](https://github.com/gatsbyjs/gatsby/tree/0ac6c88a72c4dfd4d541e3ac43c664343e8e15b6)

### Which was updated more recently, carbon or gatsby?

carbon: its last push was on November 14, 2026, and gatsby's on November 11, 2026.

The proof: [carbon-design-system/carbon's commits on GitHub](https://github.com/carbon-design-system/carbon/commits)

## Sources

- carbon-design-system/carbon: Read on November 14, 2026, at commit fa75d78 (https://github.com/carbon-design-system/carbon/tree/fa75d78b0d4b9e78e1e76bf3e459f4fc12eabeef)
- gatsbyjs/gatsby: Read on November 13, 2026, at commit 0ac6c88 (https://github.com/gatsbyjs/gatsby/tree/0ac6c88a72c4dfd4d541e3ac43c664343e8e15b6)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.