The Themeforest marketplace is perhaps the most popular website for selling templates for web design. It has existed for 10 years.
This resource offers the widest choice of templates of various subjects, including 9000+ WordPress themes. Moreover, themeforest.net is one of the most visited websites in the world.
Due to a great competition among authors from all over the world, the platform imposes stringent requirements to the quality and uniqueness of the functionality of scripts. All works undergo a thorough pre-moderation before becoming widely available.
All the products on Codecanyon are guaranteed to be high-quality professional works from world leaders in the field of web development.