Anki
Open Source
Anki is a spaced repetition flashcard program. Anki is the Japanese word for memorization.
Quizlet
Freemium
Quizlet makes simple learning tools that let you study anything.
Readlang
Freemium
Readlang will translate webpages you don't understand, and create flashcards and word lists for you.
Ninchanese
Freemium
NinChanese is a story-based, interactive language application that teaches you to speak, read, write, and understand Chinese.
VocApp.com
Free
VocApp.com is a vocabulary improvement software platform.
SuperMemo
Free Personal
SuperMemo is a learning method and software.
Duolingo
Free Personal
Duolingo is a freemium language-learning platform that includes a language-learning website and app.
AnkiApp
Commercial
AnkiApp is a flashcard app for iOS (iPhone + iPad), MacOS, and Android.
Busuu
Freemium
Busuu is a social network for learning languages.
Cram
Free
Cram is an online platform to create and share online flashcards.
zuknow
Freemium
zuknow is a social flashcard app.
Babbel
Commercial
Babbel is a subscription-based language learning app and e-learning platform.
