Similar to Google_メッセージ
RecCloud
Lemmy (ソーシャルネットワーク)
Lemmy (social network)Extensible Messaging and Presence Protocol
XMPPJabber
Matrix (プロトコル)
Matrix (protocol)Microsoft Messengerサービス
Microsoft Messenger serviceSignalプロトコル
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インスタントメッセンジャー
Instant messaging#Review of productsAdium
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AMSN▼-1 trendsAOL Instant Messenger
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Element (ソフトウェア)
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Gadu-Gadu
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GroupMe
GroupMeHCL Sametime
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IMessageJami
Jami (software)Kopete
KopeteMattermost
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Microsoft Office Communicator