TamTam: Messenger, chat, calls
Odnoklassniki Ltd
TamTam-Geo
PEIXE SOFTWARE SL
Signal:私密通訊軟件
Signal Foundation
twinme - 私密通訊工具
twinlife
Telegram
Telegram FZ-LLC
LINE
LINE (LY Corporation)
imo 視訊通話與聊天
imo.im
WeChat
WeChat International
Microsoft Teams
Microsoft Corporation