Tools

putty.exe Putty is a very good ssh client, if you want to SSH from Windows to another host using an encrypted link. As Mr. Tatham says, Putty makes Windows better just like the real window putty makes a glass windows functional.
Win Rar can read ISO files directly, i.e. you don't need to burn the ISO to a CD-R before doing a Hd Install.
loadlin allows a user to boot Linux from Win95/Win98 but not 2k/XP/ME.
bzip2.exe for Windows (rename to bzip2.exe)
gzip.exe for Windows
Win Image or Win Image from a freshmeat site