Software tools that automate the process of installing, upgrading, configuring, and managing computer programs.

"npm for Node.js and pip for Python are examples of package managers that simplify dependency management for developers."

A collection of software tools that automates the process of installing, upgrading, configuring, and removing computer programs for a computer's operating system in a consistent manner.

"Package managers, such as npm for JavaScript and pip for Python, simplify the process of managing software dependencies."