Notepin - Extremely simple note-taking + blogging ✍️

Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Buno - Simple Note Taking - Simple, minimal & easy note-taking

Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.

QuickJots - Jot down quick notes and auto-save them with QuickJots. Use GitHub Flavoured Markdown to easily embed images, or even task-lists to track to-dos. It's private — all notes stay local; no login or downloads are needed. There's a dark mode too!

Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.