What are NPM, NPX, NVM, YARN, PNPM and BREW?
Tags: javascript, node, webdev, programming
Published: 2022-02-03 13:24:44

You've probably heard of NPM, NPX, NVM and Yarn if you deal with JavaScript. Almost certainly, you've used them to install something. In this piece, I'll explain what they are, as well as the differences between NPX, NPM, NVM, and Yarn as well as their benefits and drawbacks.
**NPM:**
                          When you install Node on your PC, you also install npm (which is included by default).
NPM(Node Package Manager) is the package manager for the Node JavaScript platform. It puts modules in place so that node can find them, and manages dependency conflicts intelligently.
Packages are updated as well, and npm makes it easy for us to stay on top of things. It allows us to.
If we want to, we can upgrade the package, or we can utilise a different version if that's what we need. 
**NVM:**
   NVM(Node Version Manager) which stands for Node Version Manager, is to allow you to check the version of Node JS.you have installed and even to install a fresh, most up to date version of Node. It also allows you to install numerous instances of Node, allowing you to test your app in different versions of the programme to see if it works.
**NPX:**
      The npx stands for Node Package Execute and is included with npm. If you install npm above version 5.2.0, npx will be installed as well.
It's a npm package runner that allows you to run any package from the npm registry without having to install it. During a one-time usage package, the npx is useful. Npx is not installed in your computers if you have installed npm prior to 5.2.0.
**YARN:**
       YARN(Yet Another Resource Negotiator) is a package manager similar to npm, but One of the main difference between NPM and Yarn is how they handle the package installation process. Yarn installs packages in parallel. 
Yarn is optimized to fetch and install multiple packages simultaneously(yarn is faster than npm at installing packages).
**PNPM:**
       PNPM is an alternative package manager for Node.js which stands for “Performant NPM”.
The main purpose of PNPM is to hold all the packages at a global (centralized) store and use them if needed by other projects too by creating hard links to it.
**brew:**
       Homebrew is a popular package manager for macOS. It is designed to simplify the installation and management of open-source software and command-line tools on macOS systems. With Homebrew, users can easily install, update, and uninstall various software packages from the command line, making it a convenient tool for developers and power users.


**Note:**
      The V8 Javascript runtime underpins Node.js. A Javascript engine is built into each browser, including Firefox, Safari, and Chrome, to handle Javascript files on webpages. The V8 engine is used by Google Chrome and Node.js to interpret Javascript files.

I hope this information will assist you in deciding whether to use Yarn, NPM, or NVM in your projects. This article will be updated on a regular basis, and I encourage suggestions and comments.
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