irssi is described as 'Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins' and is a popular IRC Client in the social & communications category. There are more than 50 alternatives to irssi for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and Web-based apps. The best irssi alternative is HexChat, which is both free and Open Source. Other great apps like irssi are SeaMonkey, Adium, WeeChat and mIRC.
LimeChat is an IRC client for Windows, Mac OS X and iOS.
Features
Can connect to multiple servers in a window By key operation was rich, achieve a sense of comfortable operation Customization capabilities over the details Stable operation at light Search and comfortable log in.
Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC, SILC & ICB client which aims to fill this void. By adhering to Mac OS X interface conventions, Colloquy has the look and feel of a quality Mac application.
Gnotty ties the knot between the web and IRC. It is designed to assist open source projects that host an IRC channel for collaboration on their project. Gnotty is BSD licensed.
Visual IRC (ViRC) is an open source Internet Relay Chat client for the Windows operating system.
XChat is an IRC chat program for both Linux (Open Source) and Windows (Shareware, 30-day trial). It allows you to join multiple IRC channels (chat rooms) at the same time, talk publicly, private one-on-one conversations etc. Even file transfers are possible.
A simple-to-use messaging app for 1:1 communication and small groups supporting SMS, MMS, matrix and XMPP through libpurple.
bIRC is a simple, lightweight and flexible IRC-Client written in Bash. bIRC doesn't require an installation and can be launched by executing a single script file. bIRC has plugin support and can be easily modified.
Glowing Bear is a sleek, modern web frontend that securely connects to a running instance of WeeChat using its built-in relay protocol. It relies on WeeChat to do all the heavy lifting and then provides some nice features on top of that, like...
WebIRC runs as a server and is always connected to your favorite IRC networks. Seamlessly open the same session from home, work, and your mobile devices to continue exactly where you left off.
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