Atomic IRC Alternatives

Atomic IRC has been discontinued. Similar apps include Pidgin, which is free and open source. Other options are SeaMonkey, HexChat, Adium and Trillian. There's no shortage of IRC Clients like Atomic IRC, with more than 50 alternatives for Windows, Linux, Mac, the web and self-hosting.

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Atomic IRC alternatives page was last updated May 21, 2025

Visual IRC 2
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Visual IRC (ViRC) is an open source Internet Relay Chat client for the Windows operating system.
Cost / License
Free
Proprietary
Application type
IRC Client
Platforms
Windows
+2
Good alternative?Is Visual IRC 2 a good alternative to Atomic IRC?
Snak
Like
Popular shareware IRC client for Macintosh.
Cost / License
Paid
Proprietary
Application type
IRC Client
Platforms
Mac
Good alternative?Is Snak a good alternative to Atomic IRC?
BitchX
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BitchX is a free software text-based IRC (Internet Relay Chat) client for UNIX-like systems.
Cost / License
Free
Open Source
Application type
IRC Client
Platforms
Mac
Linux
Good alternative?Is BitchX a good alternative to Atomic IRC?
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SSH Chat
Like
Chat over SSH.
Cost / License
Free
Open Source (MIT)
Platforms
Mac
Windows
Linux
BSD
Self-Hosted
S
Good alternative?Is SSH Chat a good alternative to Atomic IRC?
ClicksAndWhistles
1 like
ClicksAndWhistles is a free IRC client for Windows. Internet Relay Chat (IRC) is a form of real-time Internet text messaging allowing you to communicate with others in IRC channels (chat rooms) and one-to-one communication via private messages.
Cost / License
Free
Proprietary
Origin
United States
Platforms
Windows
United States
Good alternative?Is ClicksAndWhistles a good alternative to Atomic IRC?
CoreIRC
Like
IRC chat client and DCC file transfers.
Cost / License
Freemium
Proprietary
Application type
IRC Client
Platforms
Online
Android
Good alternative?Is CoreIRC a good alternative to Atomic IRC?
Ergo
Like
Ergo (formerly known as Oragono) is a modern IRC server written in Go. Its core design principles are:
Cost / License
Free
Open Source (MIT)
Platforms
Mac
Windows
Linux
BSD
Self-Hosted
FreeBSD
Docker
OpenBSD
Good alternative?Is Ergo a good alternative to Atomic IRC?
P
P
Polaris SE
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Polaris SE is an all around user friendly mIRC script. The scripts main objective is to easily allow users to share files among one another over the IRC medium. The scripts newer functions help increase functionality without compromising stability.
Cost / License
Free
Proprietary
Application type
IRC Client
Platforms
Windows
+9
P
Good alternative?Is Polaris SE a good alternative to Atomic IRC?