Category:インスタントメッセンジャー

Mumble (software)

Viber

Discord

Instant messaging#Review of products

Zalo

Jami (software)

WeChat

Telepathy (software)

Skype

WhatsApp

ICQ

Mattermost

Gadu-Gadu

Instant messaging

IMessage

EncroChat

Pidgin (software)

Adium

Meebo

Coccinella (software)