Variable Grid System is described as 'The variable grid system is a quick way to generate an underlying CSS grid for your site. The CSS generated file is based on the 960 Grid System' and is an website in the Development category. There are more than 50 alternatives to Variable Grid System, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, Mac, Windows and Linux. The best alternative is Bootstrap, which is both free and Open Source. Other great sites and apps similar to Variable Grid System are Materialize (Free, Open Source), UIkit (Free, Open Source), Tailwind CSS (Free, Open Source) and Semantic UI (Free, Open Source).