Source: https://seerepo.com/compare/ampproject/amphtml/vs/nrwl/nx
Markdown source: https://seerepo.com/compare/ampproject/amphtml/vs/nrwl/nx.md
Description: amphtml and nx share 5 technologies: Preact, PostCSS, Autoprefixer, postcss-import, and Ajv. amphtml is written in JavaScript and nx in TypeScript.

# amphtml vs nx

amphtml and nx share 5 technologies: Preact, PostCSS, Autoprefixer, postcss-import, and Ajv. amphtml is written in JavaScript and nx in TypeScript.

- [ampproject/amphtml](https://seerepo.com/r/ampproject/amphtml): The AMP web component framework.
- [nrwl/nx](https://seerepo.com/r/nrwl/nx): The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.

## What they share and what sets them apart

- In common: Preact, PostCSS, Autoprefixer, postcss-import, Ajv
- Only in amphtml: Express, GitHub, react-jss, css-what, cssnano, JSS, react-day-picker, @use-gesture/react, posthtml, dompurify, markdown-toc, ajv-formats, morgan
- Only in nx: Next.js, Nuxt, React, Remix, Vue, org.jetbrains.kotlin:kotlin-stdlib, react-router-dom, Supabase, OpenAI, @angular/core, Angular, guice, JetBrains, rusqlite, SQLite, Tokio, Vite, Tailwind CSS, OpenTelemetry, slf4j-api, slf4j-simple, classnames, Headless UI, cytoscape, @heroicons/react, tailwind-merge, Framer, react-syntax-highlighter, @floating-ui/react, react-copy-to-clipboard, react-textarea-autosize, ai, @markdoc/markdoc, @docsearch/react, sass-embedded, Sass, ora, @clack/prompts, EJS, file-type, @xmldom/xmldom, slf4j-jdk14, org.slf4j:slf4j-api, crossterm, Ratatui, cli-spinners, jsonc-parser, yaml, tracing, tracing-appender, tracing-subscriber, postcss-modules, parse5

## Side by side

| | amphtml | nx |
|---|---|---|
| Size | 703,086 lines written, 1,692 code files | 1,290,865 lines written, 3,323 code files |
| Who writes it | 0% of its commits signed by AI. With Claude Code and GitHub Copilot | 1.5% of its commits signed by AI. With Claude Code, GitHub Copilot, Amp, and Cursor |
| Activity | Last push October 20, 2026, 21,366 commits, 14,905 stars | Last push November 7, 2026, 18,849 commits, 29,453 stars |
| Tests | 2,103 test files. 47.1% of its code files have a test that imports them | 1,691 test files. 39.1% 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, amphtml or nx?

nx, with 1,290,865 lines written; amphtml has 703,086.

The proof: [nrwl/nx's code at commit b68115c](https://github.com/nrwl/nx/tree/b68115cd05cd2b79c36b216f6c03dafb8266f1e0)

### Which has more GitHub stars, amphtml or nx?

nx, with 29,453 stars; amphtml has 14,905.

The proof: [nrwl/nx on GitHub](https://github.com/nrwl/nx)

### Which has more tests, amphtml or nx?

amphtml, with 2,103 test files; nx has 1,691.

The proof: [ampproject/amphtml's code at commit 3961d2e](https://github.com/ampproject/amphtml/tree/3961d2e011e1ce875554d3fd091870f21474d58e)

### Which was updated more recently, amphtml or nx?

nx: its last push was on November 7, 2026, and amphtml's on October 20, 2026.

The proof: [nrwl/nx's commits on GitHub](https://github.com/nrwl/nx/commits)

### Which has more commits signed by AI, amphtml or nx?

nx: an AI signed 1.5% of its commits, with Claude Code, GitHub Copilot, Amp, and Cursor.

The proof: [the commits each tool signed in nrwl/nx](https://seerepo.com/r/nrwl/nx/ai)

## Sources

- ampproject/amphtml: Read on November 8, 2026, at commit 3961d2e (https://github.com/ampproject/amphtml/tree/3961d2e011e1ce875554d3fd091870f21474d58e)
- nrwl/nx: Read on November 8, 2026, at commit b68115c (https://github.com/nrwl/nx/tree/b68115cd05cd2b79c36b216f6c03dafb8266f1e0)

## 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.