Differences and similarities between Webpack, Browserify, npm, Bower

Webpack

It processes your code which needs to be used in a target environment. It will produce one or more bundles of assembled scripts, which are suitable for the target environment. Webpack has many tools as default.

Browserify

Browserify does almost the same job which is processing the code and producing bundles of assembled scripts executable at the target environment. In Browserify you might want to download plugins for tools like code splitting etc.

Npm

NPM is a package manager, it simplifies installing, updating of libraries like jQuery, Bootstrap.

Bower

It does the same job. It is a front end package manager. It stores all libraries in bower.json and then runs bower installing command line.