A family of responsive front-end frameworks that make it easy to design beautiful responsive websites, apps and emails that look amazing on any device. Foundation is semantic, readable, flexible, and completely customizable.
|Latest stable version||Foundation 6|
|Used by||Adobe, eBay, Amazon, Pixar, HP|
Foundation is one of the top 15 open source projects in the world.
There are many CSS frameworks, but Bootstrap and Foundation can handle basically everything. Both of the frameworks appeared a year after the launch of the first iPad.