KardsAI - KardsAI - Instant Flashcards Mobile App. Instantly generate flashcards from any PDF, study note, text or via prompt on any topic. Learn offline effectively via spaced repetition.
Keep Everything - Light & Fast Web Archiver for iOS, OS X.
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
Pocket - When you find something you want to view later, put it in Pocket.
Laoshi - Learn new words with flashcards to master Chinese faster
Instapaper - Instapaper is a simple tool to save web pages for reading later.