Busuu Ltd is a language learning platform that offers courses in 14 different languages, including Spanish, French, German, Italian, and Japanese. The platform is designed to cater to learners of all levels, providing a range of tools and features such as grammar units, vocabulary training, writing exercises, and speaking practice with native speakers. Busuu leverages machine learning to offer personalized study plans to help users reach their language goals more effectively. The platform is accessible via its website and mobile apps, enabling flexible and convenient learning.