Flipboard - Your Personal Magazine. Find, follow and flip stories that change your world.
memordo - Spaced repetition tool to help you retain more knowledge
Blackpills - Netflix for short series
Harken - Flashcard app using smart repetition to improve your memory
Spicetify - Command line tool to customize Spotify client
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.