Modularize Your Code, Scale Down Your Problems: Terrific Composer
Terrific Composer is a front-end development framework specifically designed for building top-notch front-ends.
The Terrific module structure helps you to organize your project in a very natural way. It reduces the complexity by splitting your code up in little pieces, its easily maintainable and extendable.
Terrific Composer delivers you highly modularized and standardized HTML, JS and CSS (comes with LESS support built in). So the built frontend can be integrated easily in your CMS or Framework of choice.