Ultralingua Dictionaries
Ultralingua, Inc.
Collins Robert Concise French
Collins French Dictionary
뉴로제타스톤
Rosetta Stone Ltd
Busuu: 외국어 공부
Busuu
Aprende idiomas con Nextlingua
Nextlingua S.L.
Innovative Language Learning
Innovative Language Learning USA, LLC
Google 번역
Google LLC