Grammarly - Clear, effective, mistake-free writing everywhere you type.
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Samsung Flip - A 55" digital white board from Samsung
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.