All of these apps are stable and usable, and that reflects not only the multi-year track record of these particular programs, but the overall maturity of IRC itself. This is a radical change from just a few years ago, when the best apps were shareware worth $30 or more. Most apps in this list are free or just a few dollars.
Mac IRC clients are all grown up and have entered the new era of free cloud computing and the Mac App Store.
