PuTTY is a very popular tool on Windows for connecting to remote server using SSH. As I used it a lot recently, I tried several tools that enhance the user experience. You may be interested in them too.
Desert Color Theme to Better Highlight Information
My experience with PuTTY has been pretty good except that the default color scheme does not highlight key information well, for example, the dark blue color for directory names on black background makes it hard for my eyes.