Source: https://seerepo.com/r/carbon-app/carbon/built
Markdown source: https://seerepo.com/r/carbon-app/carbon/built.md
Description: carbon is a JavaScript repo built with Next.js and React. It uses Firebase. It has 87 files and 13,229 written lines, with 10 test files.

# What is carbon built with?

carbon is a JavaScript repo built with Next.js and React. It uses Firebase. It has 87 files and 13,229 written lines, with 10 test files.

Read on November 1, 2026, at commit 3e9efcc.

Repository: https://github.com/carbon-app/carbon

## Frontend

### The base

- **[Next.js](https://seerepo.com/uses/nextjs)**: [in package.json](https://github.com/carbon-app/carbon/blob/3e9efcc506bdccb6d3834f66f30f8e883f80e49d/package.json)
- **[React](https://seerepo.com/uses/react)**: [in package.json](https://github.com/carbon-app/carbon/blob/3e9efcc506bdccb6d3834f66f30f8e883f80e49d/package.json)

## Backend

### Services

- **Firebase**: 1 file · [lib/client.js, line 1](https://github.com/carbon-app/carbon/blob/3e9efcc506bdccb6d3834f66f30f8e883f80e49d/lib/client.js#L1)

## Other repos with a similar stack

- [upscayl/upscayl](https://seerepo.com/r/upscayl/upscayl/built): Next.js, React, Firebase · [Compare](https://seerepo.com/compare/carbon-app/carbon/vs/upscayl/upscayl)
- [react/react](https://seerepo.com/r/react/react/built): Next.js, React
- [Significant-Gravitas/AutoGPT](https://seerepo.com/r/Significant-Gravitas/AutoGPT/built): Next.js, React
- [langgenius/dify](https://seerepo.com/r/langgenius/dify/built): Next.js, React
- [yangshun/tech-interview-handbook](https://seerepo.com/r/yangshun/tech-interview-handbook/built): Next.js, React
- [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui/built): Next.js, React

## Frequently asked questions

### What language is carbon written in?

carbon is written in JavaScript: 87 files and 13,229 written lines.

### What framework does carbon use?

carbon is built with Next.js and React.

The proof: [in package.json](https://github.com/carbon-app/carbon/blob/3e9efcc506bdccb6d3834f66f30f8e883f80e49d/package.json)

### What services does carbon use?

carbon uses Firebase.

The proof: [lib/client.js, line 1](https://github.com/carbon-app/carbon/blob/3e9efcc506bdccb6d3834f66f30f8e883f80e49d/lib/client.js#L1)

### Does carbon have tests?

Yes. carbon has 10 test files.

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

The ones that share most of its stack: upscayl/upscayl, react/react, and Significant-Gravitas/AutoGPT.

## 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.