Buy 3, Get the Cheapest One Free
Runs a "buy X, get one free" deal automatically: for every set of items in the cart, the cheapest one is discounted to zero, shown as a line in the totals.
Snippet Library
WooCommerce snippets for WordPress
Snippets for WooCommerce stores: change the cart and checkout, add fees and minimum orders, tweak product pages, auto-complete orders and adjust emails. For store owners and developers who want small changes without another extension.