When comparing Kiwi IRC vs KVIrc, the Slant community recommends KVIrc for most people. In the question“What are the best IRC clients for Windows?” KVIrc is ranked 6th while Kiwi IRC is ranked 17th. The most important reason people chose KVIrc is:
Help files and online resources show all of the feature and scripting capabilities.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Beautiful interface
Kiwi's default interface is aesthetically modern, while keeping a classic two-column layout with chat window on the left and nicklist on the right. Unlike many other interfaces, a considerable amount of effort has been spent on making it easy on the eyes.
The interface offers common customization options including time format changes, choice of system messages and choice of laying out channels in a tabbed or list manner.
Pro Free and open source
Kiwi IRC web client is available for free licensed under GPL with source available on GitHub.
Pro Embeddable
Code can be generated that allows embedding the IRC client within a website.
Pro Available in multiple languages
Kiwi's front-end is available in more than 20 languages including Polish, Romanian and Russian.
Pro Extensive documentation available
Help files and online resources show all of the feature and scripting capabilities.
Pro Still active developement
Despite whats been said, development has been continuing at a steady pace on version 4.3.1 and more recently 4.3.2.
Pro Portable
KVIrc does not need to be installed. It can be kept on a flash drive and run from there.
Pro Plenty of customization options
Cons
Con Notifications don't time out
Notifications pop-ups have to be closed manually each time, they don't disappear on their own after a set amount of time.
Con Requires additional install, i.e. 'must have this' to run
