Overview of FeathersJS and its Features 

FeathersJS is a popular open-source web framework for building real-time, scalable, and modular applications using Node.js. When used in combination with REST API and MongoDB, FeathersJS provides a simple and flexible way to build web applications and APIs that can handle a large amount of data. 

Some of the key features of FeathersJS include:

• Real-time: FeathersJS supports real-time communication using WebSockets, making it easy to build real-time applications such as chat apps and collaboration tools.

• MongoDB integration: FeathersJS can be easily integrated with MongoDB, a popular NoSQL database, making it easy to store and manage large amounts of data. 

• Modular architecture: FeathersJS uses a modular architecture, making it easy to extend and customize the framework to meet the needs of your application.

• Service-oriented: FeathersJS is service-oriented, making it easy to organize your code into reusable services that can be shared across multiple parts of your application.

• REST and Socket.io support: FeathersJS supports both REST and Socket.io, making it easy to build both RESTful APIs and real-time applications.

Comparison with Other Node.js Web Frameworks 

FeathersJS is one of several web frameworks available for Node.js, and it has several features that set it apart from other Node.js frameworks. Some of the key differences between FeathersJS and other Node.js frameworks include:

• Real-time support: FeathersJS has built-in support for real-time communication using WebSockets, making it easier to build real-time applications.

• REST API support: FeathersJS provides built-in support for REST API, making it easier to build RESTful APIs for your application.

• MongoDB integration: FeathersJS can be easily integrated with MongoDB, a popular NoSQL database, making it easy to store and manage large amounts of data.

• Modular architecture: FeathersJS uses a modular architecture, making it easier to extend and customize the framework to meet the needs of your application.

• Service-oriented: FeathersJS is service-oriented, making it easier to organize your code into reusable services that can be shared across multiple parts of your application.

Setting up the Development Environment 

To start developing applications with FeathersJS and REST API and MongoDB, you need to set up a development environment. This involves installing Node.js, a code editor, MongoDB, and any other tools you need to build your application.

Here's an example of how to set up a development environment for FeathersJS with REST API and MongoDB:

• Install Node.js: Download and install Node.js from the official Node.js website.

• Install a code editor: Install a code editor, such as Visual Studio Code, to write and manage your code.

• Install MongoDB: Download and install MongoDB from the official MongoDB website.

• Install other tools: Install any other tools you need to build your application, such as a testing framework.

Once you have set up your development environment, you're ready to start building applications with FeathersJS, REST API, and MongoDB.