Easy Social Share Buttons is the most flexible and comprehensive social sharing WordPress plugin on the market.
Demo: https://codecanyon.net/item/easy-social-share-buttons-for-wordpress/6394476
Woocommerce Buttons Animations allows put animations to the buttons on the product page, the cart page and the checkout page, in addition to some options such as animation wait time and animation repeat time.
Custom Buttons for WordPress plugin. Customize everything - Texts, Subtexts, Links, Borders, Boxes, Icons, Animations. Style everything - Animations, Hovers, Background, Custom Options. Works on any theme - Add custom buttons on any theme, easily!