ArticleWise
Harken
KardsAI
WebSatchel
Highlights for Chrome
Instapaper
Brainscape
Taggy
FlipToMind
Anki
Zorbi - Spaced-Repetition Flashcards
CleverDeck
Yak Tack
SmartCards+
Mochi
Space Repeat
ArticleWise
FlipToMindHarken - Flashcard app using smart repetition to improve your memory
Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.
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.
Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.
WebSatchel - Copy and save web pages to your own personal archive
CleverDeck - Learn languages more efficiently with spaced repetition