Foundation

The most advanced responsive front-end framework in the world.

What Foundation’s own pages say

What it says it does	The most advanced responsive front-end framework in the world. get.foundation
Customers (their claim)	Millions of designers and developers depend on Foundation. get.foundation

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.