WeeChat (Wee Enhanced Environment for Chat) is a fast and light IRC client for many operating systems. Everything can be done with a keyboard. It is customizable and extensible with plugins/scripts, and includes: {
} - nicklist {
} - smart hotlist {
} - infobar with highlight notification {
} - horizontal and vertical split {
} - double charset support (decode/encode) {
} - FIFO pipe for remote control {
} - and much more!

WWW: https://weechat.org/
