mIRC - mIRC: Internet Relay Chat client
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
HexChat - HexChat is a fork of XChat with bug fixes and new features.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
irssi - Irssi is a terminal based IRC client for UNIX systems.
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.