LearnDash

LearnDash is a premium WordPress plugin that transforms a WordPress site into a full-featured LMS. It's the top choice for entrepreneurs, coaches, and universities wanting complete control over their course delivery website. Features include advanced quizzing, drip-feed content, prerequisites, certificates, and seamless integration with membership plugins and WooCommerce for e-commerce. Being self-hosted, users own their data and platform.

The cost is a one-time license fee. It ranks highly for its powerful feature set within the WordPress ecosystem, flexibility for creating sophisticated course structures, and strong focus on creators selling courses directly to learners.