Source: https://seerepo.com/r/parcel-bundler/parcel/built
Markdown source: https://seerepo.com/r/parcel-bundler/parcel/built.md
Description: parcel is a Rust repo built with React. It makes its content with html5ever, xml5ever, image, markdown, oxipng, and 2 more and deploys with log and tracing.

# What is parcel built with?

parcel is a Rust repo built with React. It makes its content with html5ever, xml5ever, image, markdown, oxipng, and 2 more and deploys with log and tracing. It has 141,200 written lines, with 1,603 test files.

Read on November 6, 2026, at commit 0256839.

Repository: https://github.com/parcel-bundler/parcel

## Frontend (/)

### The base

- **[React](https://seerepo.com/uses/react)**: 1 file

### Styles

- **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)**
- **[lightningcss](https://seerepo.com/uses/lightningcss)**: 7 files
- **cssparser**: 4 files
- **anstyle**: 3 files

## Support (/)

### Content

- **html5ever**: 9 files
- **xml5ever**: 7 files
- **[image](https://seerepo.com/uses/image)**: 2 files
- **[markdown](https://seerepo.com/uses/markdown)**: 1 file
- **oxipng**: 1 file

### Deploy

- **[log](https://seerepo.com/uses/log)**
- **[tracing](https://seerepo.com/uses/tracing)**

### Tools

- **is-macro**
- **foo**: 3 files
- **napi-derive**: 1 file
- **oxc-browserslist**: 1 file
- **SWC**: 1 file
- **swc_common**: 1 file
- **SwiftCompilerPlugin**: 1 file

### Other

- **anyhow**
- **md-5**
- **napi**
- **pathdiff**
- **ref-cast**
- **serde**: 35 files
- **serde_json**: 33 files
- **rquickjs**: 20 files
- **indexmap**: 18 files
- **fixedbitset**: 13 files
- **url**: 11 files
- **bitflags**: 9 files
- **path-slash**: 8 files
- **percent-encoding**: 8 files
- **typed-arena**: 8 files
- **xxhash-rust**: 8 files
- **data-encoding**: 7 files
- **Lodash**: 5 files
- **libc**: 4 files
- **crossbeam-channel**: 3 files
- **either**: 3 files
- **flate2**: 3 files
- **json5**: 3 files
- **papaya**: 3 files
- **rayon**: 3 files
- **ring**: 3 files
- **rustc-hash**: 3 files
- **rustls**: 3 files
- **windows-sys**: 3 files
- **itertools**: 2 files
- **rcgen**: 2 files
- **boxcar**: 1 file
- **buffer**: 1 file
- **bytecount**: 1 file
- **convert_case**: 1 file
- **dashmap**: 1 file
- **date-fns**: 1 file
- **dotenvy**: 1 file
- **getrandom**: 1 file
- **glob**: 1 file
- **httparse**: 1 file
- **libloading**: 1 file
- **mimalloc**: 1 file
- **parking_lot**: 1 file
- **serde_bytes**: 1 file
- **serde_yaml_ng**: 1 file
- **serde-value**: 1 file
- **sha1**: 1 file
- **sha2**: 1 file
- **smallvec**: 1 file
- **toml**: 1 file
- **tungstenite**: 1 file
- **unicode-width**: 1 file
- **util**: 1 file

## Support (crates/sass)

### Other

- **serde**: 1 file
- **serde_json**: 1 file

## Support (packages-v3/babel)

### Tools

- **Babel**: 1 file

## Support (packages-v3/coffeescript)

### Tools

- **CoffeeScript**: 1 file

## Support (packages-v3/create-parcel)

### Other

- **url**: 1 file
- **util**: 1 file

## Frontend (packages-v3/less)

### Styles

- **Less**: 1 file

## Frontend (packages-v3/postcss)

### Styles

- **[PostCSS](https://seerepo.com/uses/postcss)**: 1 file

## Support (packages-v3/postcss)

### Other

- **json5**: 1 file

## Support (packages-v3/posthtml)

### Content

- **posthtml**: 1 file

## Support (packages-v3/pug)

### Content

- **Pug**: 1 file

## Frontend (packages-v3/rsc)

### The base

- **[React](https://seerepo.com/uses/react)**: 6 files

## Support (packages-v3/rsc)

### Other

- **rsc-html-stream**: 2 files

## Frontend (packages-v3/stylus)

### Styles

- **Stylus**: 1 file

## Frontend (packages-v3/sugarss)

### Styles

- **[PostCSS](https://seerepo.com/uses/postcss)**: 1 file
- **sugarss**: 1 file

## Other repos with a similar stack

- [vercel/next.js](https://seerepo.com/r/vercel/next.js/built): React, Tailwind CSS, image, tracing, PostCSS · [Compare](https://seerepo.com/compare/parcel-bundler/parcel/vs/vercel/next.js)
- [zed-industries/zed](https://seerepo.com/r/zed-industries/zed/built): html5ever, image, markdown, log, tracing · [Compare](https://seerepo.com/compare/parcel-bundler/parcel/vs/zed-industries/zed)
- [astral-sh/ruff](https://seerepo.com/r/astral-sh/ruff/built): Tailwind CSS, anstyle, markdown, log, tracing · [Compare](https://seerepo.com/compare/astral-sh/ruff/vs/parcel-bundler/parcel)
- [denoland/deno](https://seerepo.com/r/denoland/deno/built): React, image, log, tracing · [Compare](https://seerepo.com/compare/denoland/deno/vs/parcel-bundler/parcel)
- [pbakaus/impeccable](https://seerepo.com/r/pbakaus/impeccable/built): React, Tailwind CSS, html5ever, image · [Compare](https://seerepo.com/compare/parcel-bundler/parcel/vs/pbakaus/impeccable)
- [tailwindlabs/tailwindcss](https://seerepo.com/r/tailwindlabs/tailwindcss/built): lightningcss, log, tracing, PostCSS · [Compare](https://seerepo.com/compare/parcel-bundler/parcel/vs/tailwindlabs/tailwindcss)

## Frequently asked questions

### What language is parcel written in?

parcel is written in Rust, with 141,200 written lines.

### What framework does parcel use?

parcel is built with React.

### Does parcel have tests?

Yes. parcel has 1,603 test files.

### Which repos have a stack like parcel's?

The ones that share most of its stack: vercel/next.js, zed-industries/zed, and astral-sh/ruff.

## 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.