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Express.js is a popular web framework for Node.js that provides a set of tools and libraries for building web applications. It simplifies the development process and provides a flexible architecture for building scalable and maintainable web applications.
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Socket.io is a library that allows developers to build real-time applications using Node.js. It provides a set of tools for building real-time communication channels between the server and client.
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MongoDB is a NoSQL document-oriented database that is widely used for building scalable and flexible web applications. It integrates well with Node.js and allows developers to work with data using JavaScript objects.
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NPM is the package manager for Node.js, which allows developers to easily install, update, and manage the dependencies for their Node.js applications.
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