Alternative apps to ICQ:
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IRC (Internet Relay Chat) is a virtual meeting place where people from all over the world can meet and talk.
- Freeware
- Windows
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Share photos instantly, send GIFs and even unsend messages. It’s the fastest way to keep in touch with friends.
- Freeware
- Windows/macOS
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Trillian is a multinetwork chat client that currently supports mIRC, AIM, ICQ, MSN, and Yahoo Messenger.
- Freeware
- Windows
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The latest version of the popular MSN instant messaging client.
- Freeware
- Windows XP/Vista/7
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Pidgin is a multi-protocol instant messaging client for Linux, BSD, MacOS X, and Windows.
- Freeware
- Windows/macOS/Linux
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Empathy is a messaging program which supports text, voice, and video chat and file transfers over many different protocols. You can tell it about your accounts on all those services and do all your chatting within one application.
- Freeware
- Linux