HelloTalk 헬로톡 - 언어공부 외국친구찾기
HelloTalk Learn Languages App
HiNative - Language Learning
Lang-8, inc
스픽 (Speak): 영어회화, 스피킹, 발음
Speakeasy Labs
Pimsleur: Language Learning
Simon & Schuster
Hallo (할로) - 언어 학습
Hallo
TalkIn - 글로벌언어소셜플랫폼
Octopus Paradise
Woodpecker - Language Learning
Woodpecker Learning Limited
Umi - Language Learning
Umi Languages
Clozemaster: Language Learning
Language Innovation LLC
Innovative Language Learning
Innovative Language Learning USA, LLC