Bower is a package manger for frontend application development. Bower manages all your dependencies like JavaScript and CSS libraries and plugins. This tutorial will help you getting started with Bower and use it in your project.
JSCS allows you to check the style errors in your javascript code. JSCS enforces rules from Google, jQuery, AirBnb, Crockford and many others. JSCS enables the common conventions and styling througout a team or project so that JavaScript code remains consistent.