# Introduction

![](https://536012717-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LoOoocWMS_BYcg7tvqE%2F-LoOpirKKQOcegzQuvue%2F-LoOpoiNK_MaNjkDK-wb%2FAppIcon.png?alt=media\&token=f226a847-846d-4ad2-9956-198afcdf4195)

## FlatAndFlatmates-Backend <a href="#taxiapp-backend" id="taxiapp-backend"></a>

The Api-server that integrates with Mobile App uses the below technologies .

* ​[NodeJS](https://nodejs.org/en/)​
* ​[MongoDB](https://www.mongodb.com/)​
* ​[ExpressJS](https://expressjs.com/)​
* ​[Socket.io](https://socket.io/)​
* ​[One Signal](https://onesignal.com/)​
* ​[Passport JS](http://www.passportjs.org/)​
* ​[Cloudinary](https://cloudinary.com/)​
* ​[Mongoose](https://mongoosejs.com/)