Source: https://seerepo.com/r/segmentio/evergreen/built
Markdown source: https://seerepo.com/r/segmentio/evergreen/built.md
Description: evergreen is a JavaScript repo built with React. It validates its data with prop-types and is tested with Testing Library and Faker.

# What is evergreen built with?

evergreen is a JavaScript repo built with React. It validates its data with prop-types and is tested with Testing Library and Faker. It has 40,477 written lines, with 91 test files.

Read on November 11, 2026, at commit 9b774ae.

Repository: https://github.com/segmentio/evergreen

## Frontend

### The base

- **[React](https://seerepo.com/uses/react)**: 121 files

### Interface

- **[react-transition-group](https://seerepo.com/uses/react-transition-group)**: 4 files
- **[downshift](https://seerepo.com/uses/downshift)**: 1 file

## Support

### Validation

- **[prop-types](https://seerepo.com/uses/prop-types)**: 89 files

### Testing

- **Testing Library**: 34 files
- **Faker**: 10 files

### Tools

- **tsd**: 1 file

### Other

- **Lodash**: 14 files
- **fuzzaldrin-plus**: 3 files
- **arrify**: 1 file
- **react-fast-compare**: 1 file
- **react-is**: 1 file

## Other repos with a similar stack

- [mui/material-ui](https://seerepo.com/r/mui/material-ui/built): React, react-transition-group, prop-types · [Compare](https://seerepo.com/compare/mui/material-ui/vs/segmentio/evergreen)
- [storybookjs/storybook](https://seerepo.com/r/storybookjs/storybook/built): React, downshift, prop-types · [Compare](https://seerepo.com/compare/segmentio/evergreen/vs/storybookjs/storybook)
- [react/react](https://seerepo.com/r/react/react/built): React, prop-types
- [apache/superset](https://seerepo.com/r/apache/superset/built): React, prop-types
- [strapi/strapi](https://seerepo.com/r/strapi/strapi/built): React, prop-types
- [gatsbyjs/gatsby](https://seerepo.com/r/gatsbyjs/gatsby/built): React, prop-types

## Frequently asked questions

### What language is evergreen written in?

evergreen is written in JavaScript, with 40,477 written lines.

### What framework does evergreen use?

evergreen is built with React.

### Does evergreen have tests?

Yes. evergreen has 91 test files and is tested with Testing Library and Faker.

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

The ones that share most of its stack: mui/material-ui, storybookjs/storybook, and react/react.

## 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.