Pin Premium WordPress Theme is a Stylish and Responsive Pinterest-style Theme for Bloggers.
Demo: https://themeforest.net/item/pin-pinterest-style-personal-masonry-blog-frontend-submission/10272975
Pinterest is driving more traffic than Google+, YouTube and LinkedIn combined. That's why this Pinterest Automatic plugin was written to automatically attach images from your posts on pinterest.com
Demo: https://codecanyon.net/item/pinterest-automatic-pin-wordpress-plugin/2203314
Tasty Pins is a lightweight and easy-to-use WordPress Pinterest plugin that allows you to optimize your blog’s images for Pinterest, SEO, and accessibility.
Demo: https://wptasty.com/tasty-pins
Pinterest for WooCommerce by Softblues streamlines your Pinterest Marketing and allows you to run and manage your Pinterest account automatically right through the WooCommerce admin panel
Demo: https://woocommerce.com/products/pinterest-for-woocommerce/