Source: https://seerepo.com/compare/remarkjs/react-markdown/vs/withastro/astro
Markdown source: https://seerepo.com/compare/remarkjs/react-markdown/vs/withastro/astro.md
Description: react-markdown and astro share 9 technologies: React, rehype-raw, remark, remark-gfm, remark-parse, remark-toc, unified, unist-util-visit, and vfile. react-markdown is written in JavaScript and astro in TypeScript.

# react-markdown vs astro

react-markdown and astro share 9 technologies: React, rehype-raw, remark, remark-gfm, remark-parse, remark-toc, unified, unist-util-visit, and vfile. react-markdown is written in JavaScript and astro in TypeScript.

- [remarkjs/react-markdown](https://seerepo.com/r/remarkjs/react-markdown): Markdown component for React
- [withastro/astro](https://seerepo.com/r/withastro/astro): The web framework for content-driven websites.

## What they share and what sets them apart

- In common: React, rehype-raw, remark, remark-gfm, remark-parse, remark-toc, unified, unist-util-visit, vfile
- Only in react-markdown: hast-util-to-jsx-runtime
- Only in astro: Vite, Hono, Express, Fastify, Preact, preact-render-to-string, Solid, Svelte, Vue, prismjs, fast-xml-parser, xml2js, Zod, @clack/prompts, Cheerio, parse-srcset, shiki, sharp, linkedom, htmlparser2, satteri, @shikijs/rehype, rehype-mathjax, rehype-pretty-code, remark-math, Netlify, Vercel, yaml, mdast-util-mdx, mdast-util-mdx-jsx, remark-smartypants, hast-util-to-html, hast-util-to-text, rehype-stringify, unist-util-visit-parents

## Side by side

| | react-markdown | astro |
|---|---|---|
| Size | 1,938 lines written, 3 code files | 293,247 lines written, 1,041 code files |
| Who writes it | 0% of its commits signed by AI | 0.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push October 3, 2026, 560 commits, 15,935 stars | Last push November 5, 2026, 15,157 commits, 63,732 stars |
| Tests | 1 test files. 33.3% of its code files have a test that imports them | 3,163 test files. 4.4% 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, react-markdown or astro?

astro, with 293,247 lines written; react-markdown has 1,938.

The proof: [withastro/astro's code at commit ff1e2fb](https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

### Which has more GitHub stars, react-markdown or astro?

astro, with 63,732 stars; react-markdown has 15,935.

The proof: [withastro/astro on GitHub](https://github.com/withastro/astro)

### Which has more tests, react-markdown or astro?

astro, with 3,163 test files; react-markdown has 1.

The proof: [withastro/astro's code at commit ff1e2fb](https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

### Which was updated more recently, react-markdown or astro?

astro: its last push was on November 5, 2026, and react-markdown's on October 3, 2026.

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

### Which has more commits signed by AI, react-markdown or astro?

astro: an AI signed 0.2% of its commits, with Claude Code, GitHub Copilot, and Cursor.

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

## Sources

- remarkjs/react-markdown: Read on November 7, 2026, at commit f9ca66e (https://github.com/remarkjs/react-markdown/tree/f9ca66ec73d218127bff56b41a583bba1fb96125)
- withastro/astro: Read on November 5, 2026, at commit ff1e2fb (https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

## 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.