When comparing Nettalk vs Smuxi, the Slant community recommends Nettalk for most people. In the question“What are the best IRC clients for Windows?” Nettalk is ranked 14th while Smuxi is ranked 20th. The most important reason people chose Nettalk is:
Nettalk can be set up to overlay incoming messages. Especially useful for games.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Can overlay incoming messages
Nettalk can be set up to overlay incoming messages. Especially useful for games.
Pro Built-in spellcheck
Pro Free and open source
Pro Multi-lingual interface
Nettalk is available in English, Spanish, Dutch, Russian, Chinese, Hungarian and German.
Pro Easy interface
Simple and good looking interface.
Pro Encryption support
Pro Scriptable
Pro Functionality can be extended via plugins
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.
Cons
Con No longer developed
Development ceased some time ago (2012).
Con Poor log management
It stores all logs in one file in a custom format.
Con German language
Is primarily a German language client, so the spell check, etc. is in German.
Con Poor script and plugin library
Smuxi's script and plugin library contains less than 10 entries.