The Goldilocks Approach is described as 'To Responsive Web Design - A good starting point for design that takes device resolution out of the equation' and is an website in the development category. There are more than 50 alternatives to The Goldilocks Approach, not only websites but also apps for a variety of platforms, including Self-Hosted, Mac, Windows and Linux apps. The best The Goldilocks Approach alternative is Bootstrap, which is both free and Open Source. Other great sites and apps similar to The Goldilocks Approach are Tailwind CSS, Foundation, Material UI and Materialize.