Question: Is there a language learning tool that categorizes and helps me remember new vocabulary words?

If you want a language learning tool to help you memorize new vocabulary words, Lune is a strong contender. The app uses AI to create dynamic content and a personalized curriculum based on your progress. It tracks vocabulary by category and lets you share your progress with friends and family. The combination of features keeps the learning process fresh and interesting.

Another option is Lingotrack, which pairs social features with tracking tools to let you learn languages on your own schedule. It includes automated daily tracking, customizable profiles and a big library of media content. The service also works with multiple languages and offers a Pro subscription for unlimited tracking across multiple languages.

If you want to practice speaking, PrettyPolly offers an AI-powered service with 36 languages and customizable AI characters. It offers personalized feedback, pronunciation evaluation and spaced repetition flashcards that you can integrate with tools like Anki. The service is freemium, with unlimited conversations available to premium subscribers.

Last, Knowt could be useful for converting notes into flashcards and practice quizzes. It covers a broad range of subjects, including language, and has features like spaced repetition, practice quizzes and a video summarizer. The service can help you review and practice vocabulary more efficiently, so it's a good candidate to help you optimize your language learning.