My Kumon
Kumon Asia & Oceania Pte Ltd
Kumoo - 趣味で繋がるボイチャSNS
Exptional Global
Kumon AudioBook
Kumon América do Sul Instituto de Educação Ltda
公文式語音學習
KUMON CHINA COMPANY LIMITED
日文隨機聊天語音交友軟體 RandomChat
PNYO
Parallel - Quality voice chat
Parallel Inc.
Goodnight - 台灣語音交友軟體、GN聊天直播APP
Goodnight Technology Co., Ltd.
暇ならチャット・通話アプリ KoeTomo(声とも)
Meetscom Inc.
Skype
Lemo - 語音,視訊
LEMO TECHNOLOGY PTE. LTD.