Messaging Software

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  KakaoTalkFree
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  Monal IMFree

  iOS and macOS XMPP Chat-Client.

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  NeoChatFree
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  NetchatFree

  Chat with other users in the same subnet.

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  RealPopupFree to try
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  SnapchatFree
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  ToxFree

  Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

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  TrillianFree

  Chat with other Trillian users or those on Facebook, Google, AIM, ICQ, XMPP, Yahoo!, Twitter, and more.