mIRC is a shareware Internet Relay Chat client for Windows, created in 1995 and developed by Khaled Mardam-Bey. Although it is a fully functional chat utility, its integrat...
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Platforms:
Usage:
10 years, 1 month, 1 week, 6 days, 15 hours, 13 minutes and 3 seconds
mIRC by SunyiNyufi: 
The only app I used for irc ever (except trying out ChatZilla once)...