Anki
Open Source
Anki is a spaced repetition flashcard program. Anki is the Japanese word for memorization.
AnkiApp
Commercial
AnkiApp is a flashcard app for iOS (iPhone + iPad), MacOS, and Android.
Rosetta Stone
Commercial
Rosetta Stone is a cloud-based solution to help all types of learners read, write, and speak more than 30 languages.
Learning with Texts
Open Source
Learning with Texts (LWT) is a tool for Language Learning, inspired by Stephen Krashen's principles in Second Language Acquisition.
Compare Readlang with alternatives
Compare Rosetta Stone and Readlang and decide which is most suitable for you.
Compare Learning with Texts and Readlang and decide which is most suitable for you.