For the curious:
Icarus was bought by the owners of the , who chopped up parts of it to build their new Dasher client software. Since they bought it, it's no longer mine to sell--and since I can't realistically purge it from the Internetz, that means it's free to use. There's a free registration code above if you need one.
Available for Windows desktop
Icarus is a superb client interface for the hugely popular , an online group of thousands of chess players. Its beautiful, easy-to-use interface will help you get connected and playing chess in no time.
Join an online chess community that offers lectures, lessons by grand masters, over a hundred IRC-like chat channels, tournaments, simul exhibits, chess variations and more!
Icarus is free.