Is WooCommerce free?

The question that could be asked regarding the paragraph "Is WooCommerce free?" would be: "As a business owner looking to expand my online presence, I'm curious about the cost-effectiveness of various e-commerce platforms. Specifically, I've heard of WooCommerce and its reputation as a robust and flexible e-commerce solution. However, before making a decision, I would like to clarify - is WooCommerce free to use? Are there any upfront or recurring costs that I should be aware of? Understanding the financial implications is crucial for my budgeting and long-term planning, so I'm eager to get a clear answer on the cost of WooCommerce.