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.
Tweeig - Repost any tweet to Instagram or other social media
SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.
TweetPik - Easily convert tweets to images SVG, PNG and JPG
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Twinsta - Sharing tweets on Instagram has never been so easy!