Foundation

Pros

Foundation lets you customize your website without making it look similar to other websites that have used Foundation. The out of the box CSS design is more of a flat design and looks good right away and you don’t even have to customize heavily.

The base CSS appearances are built in and there won’t be much CSS bloat in the HTML.

Flexible grids

Centered Columns.

Adding a ‘collapse’ class will allow you to easily collapse columns and remove gutters.

A block sized grid will allow you to create equal sized columns with minimal markup.

Widgets

Foundation provides you with a HTML5 form validation library.

Website navigation can be easily placed to the side of the website to make it hidden.

Readymade table that shows prices for products that are based on subscription.

User experience can be customized because website loads different media for different devices/screen sizes.

Multi-lingual website because Foundation allows you to choose languages that are written from the right to the left.

Foundation will let you give a joyride of your website to your visitors.

Additional services

The Foundation team offers services and courses as a form of support.

Various online training courses for Foundation and other web technologies are also provided.

Cons

Due to the popularity of Bootstrap, the community support for Twitter Bootstrap is better than Foundation.

It may take some time for beginners to learn and use Foundation.

There is a lack of wider support like QA sites and forums for fixing issues.

There is not much support for QA sites and troubleshooting issues.