Scholr - Digital learning assistant for school students
MemoStack - MemoStack is a flashcard software that help you memorize more things with less effort. It works great for test preparation, language learning, and more.
CodeCode Ninja - Flashcards for programmers
AnkiApp - AnkiApp is a flashcard app for iOS (iPhone + iPad), MacOS, and Android. Get flashcards on any topic. Tracks progress and syncs automatically.
BRAINYOO - Easy cross-platform learning with flashcards.
Annotate.net - Annotate integrates a Mobile Interactive Whiteboard, Screen Mirroring, Formative Assessments, and Collaboration on your tablet.