When comparing Smuxi vs Mibbit, the Slant community recommends Mibbit for most people. In the question“What are the best IRC clients for Windows?” Mibbit is ranked 19th while Smuxi is ranked 20th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Twitter integration
It's possible to check and interact with Twitter's timeline, replies and direct messages from the Smuxi client.
Pro Distributed
Smuxi offers an option to keep idling in a channel even when all front-end clients are closed. It's possible for a front-end client or multiple front-end clients to connect to a single server. This allows setting up an always on-line server that can be accessed from anywhere.
Pro Plugins and scripts can be written in any language
Pro Highly customizable interface
Pro Facebook chat, gTalk and Jabber integration
Smuxi has XMPP protocol support that allows integrating with Facebook chat, gTalk and Jabber.
Pro Theming support
Pro Caret mode
Caret mode allows navigating through messages (the output buffer) via keyboard.
Pro No download needed
Pro Simple interface
Cons
Con Poor script and plugin library
Smuxi's script and plugin library contains less than 10 entries.
Con No one minding the store
Many issues not working and never updated to a working IRC.
Con Not able to use the same nickname after log-out from the client
Con No one minding the store
Many issues not working and never updated to a working IRC.