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This page defines the fundation of the package manager ecosystem.

Pacakage ManagerInstallableSourceGlobalProjectWebsite
Debian (apt)PackagePPAUbuntu Packages Search
Homebrew (brew)Formula / Formulae / Cask 1TapHomebrew
Python (pip)ModuleURLPyPI
npm (npm)Packagenpm
Ruby (gem, bundle)GemURIRubyGems
Go (go)PackageGo Packages


  1. Homebrew refers to its installables as formula/formulae, which is normally a CLI tool, and cask for everything else that are not maintained by Homebrew core team.