npm is described as 'Package manager for Node.js that is run through the command line and manages dependencies for an application. It the predominant package manager for Node.js' and is a popular Package Manager in the development category. There are more than 25 alternatives to npm, not only websites but also apps for a variety of platforms, including Linux, Mac, Windows and Self-Hosted apps. The best npm alternative is Yarn, which is both free and Open Source. Other great sites and apps similar to npm are Bun, pnpm, Advanced Package Tool (APT) and Nix Package Manager.