What is the best Chess program I can download to work offline?

Question

Please list me some websites that I can use to get free chess programs to install and work on my computer without the need to work on-line.

Answer 1

http://www.tim-mann.org/xboard.html

winboard, the needed interface, comes with gnuchess.  It is weaker than programs you'd pay for, but it is free, comrade.:)