Source: https://seerepo.com/r/nestjs/nest/built
Markdown source: https://seerepo.com/r/nestjs/nest/built.md
Description: nest is a TypeScript repo built with Express. It stores its data in MongoDB and Redis. It has 1,528 files and 216,736 written lines, with 670 test files.

# What is nest built with?

nest is a TypeScript repo built with Express. It stores its data in MongoDB and Redis. It has 1,528 files and 216,736 written lines, with 670 test files.

Read on October 27, 2026, at commit a415cff.

Repository: https://github.com/nestjs/nest

## Backend

### The base

- **Express**: [in package.json](https://github.com/nestjs/nest/blob/a415cff0cf26da0b3e2f317255934d926d8f634f/package.json)

### Data

- **MongoDB**: 3 files · [integration/mongoose/src/cats/cats.service.ts, line 3](https://github.com/nestjs/nest/blob/a415cff0cf26da0b3e2f317255934d926d8f634f/integration/mongoose/src/cats/cats.service.ts#L3)
- **[Redis](https://seerepo.com/uses/redis)**: 2 files · [packages/microservices/client/client-redis.ts, line 152](https://github.com/nestjs/nest/blob/a415cff0cf26da0b3e2f317255934d926d8f634f/packages/microservices/client/client-redis.ts#L152)

## Other repos with a similar stack

- [apache/superset](https://seerepo.com/r/apache/superset/built): Express, MongoDB, Redis · [Compare](https://seerepo.com/compare/apache/superset/vs/nestjs/nest)
- [firecrawl/firecrawl](https://seerepo.com/r/firecrawl/firecrawl/built): Express, Redis
- [immich-app/immich](https://seerepo.com/r/immich-app/immich/built): Express, Redis
- [ruvnet/ruflo](https://seerepo.com/r/ruvnet/ruflo/built): Express, MongoDB
- [toeverything/AFFiNE](https://seerepo.com/r/toeverything/AFFiNE/built): Express, Redis
- [NanmiCoder/MediaCrawler](https://seerepo.com/r/NanmiCoder/MediaCrawler/built): MongoDB, Redis

## Frequently asked questions

### What language is nest written in?

nest is written in TypeScript: 1,528 files and 216,736 written lines.

### What framework does nest use?

nest is built with Express.

The proof: [in package.json](https://github.com/nestjs/nest/blob/a415cff0cf26da0b3e2f317255934d926d8f634f/package.json)

### What database does nest use?

nest stores its data in MongoDB and Redis.

The proof: [integration/mongoose/src/cats/cats.service.ts, line 3](https://github.com/nestjs/nest/blob/a415cff0cf26da0b3e2f317255934d926d8f634f/integration/mongoose/src/cats/cats.service.ts#L3)

### Does nest have tests?

Yes. nest has 670 test files.

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

The ones that share most of its stack: apache/superset, firecrawl/firecrawl, and immich-app/immich.

## 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.