X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.
Wonder for Slack - Remember the things your team forgets
FlipToMind - Space repetition app to help you remember everything
Reminder - A better way to keep track of your reminders 📝
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.