Anki
Open Source
Anki is a spaced repetition flashcard program. Anki is the Japanese word for memorization.
Mnemosyne
Open Source
Mnemosyne is a free flash-card tool which optimizes your learning process.
Rosetta Stone
Commercial
Rosetta Stone is a cloud-based solution to help all types of learners read, write, and speak more than 30 languages.
SuperMemo
Free Personal
SuperMemo is a learning method and software.
Compare AnkiApp with alternatives
Compare Rosetta Stone and AnkiApp and decide which is most suitable for you.