IntroductionWhat is a package?What is a Package Manager?Why Do we need Package Manager?Pros and Cons Pros Break your code into sharable components. Reduce build times. Easy to find well-made packages to speed up development. Resolving versioning in a clean way. Cons Sometimes packages don't play well together Too many package managers with very little differencesExamples Ruby Gems (was that the first one?) Python Pip NuGet NPM apt-get OneGet Chocoloty Bower Yum pacman