Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
Reji - Improve your vocabulary hassle-free 📚
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Grammarly - Clear, effective, mistake-free writing everywhere you type.
Yak Tack - remember. words.
BurningVocabulary - Touch and highlight YouTube & Netflix subtitles