Foundation vs Primer: What are the differences?
Foundation: The most advanced responsive front-end framework in the world. Foundation is the most advanced responsive front-end framework in the world. You can quickly prototype and build sites or apps that work on any kind of device with Foundation, which includes layout constructs (like a fully responsive grid), elements and best practices; Primer: CSS toolkit and guidelines that power GitHub. Primer is the basecoat of GitHub, made by nerds just like you who share a passion for HTML and CSS.
Foundation and Primer can be categorized as "Front-End Frameworks" tools.
"Responsive grid" is the top reason why over 155 developers like Foundation, while over 3 developers mention "simple" as the leading cause for choosing Primer.
Foundation and Primer are both open source tools. Foundation with 28.2K GitHub stars and 5.77K forks on GitHub appears to be more popular than Primer with 8.42K GitHub stars and 621 GitHub forks.