Selection of tools I think are useful.
WinSCP is an open source free SFTP client, SCP client, FTPS client and FTP client for Windows.
http://winscp.net/eng/download.php
PuTTY
PuTTY is a free implementation of Telnet and SSH for Windows and Unix platforms, along with an xterm terminal emulator.
http://www.chiark.greenend.org.uk/~sgtatham/putty/
SolarWinds
A few free tools you may like, e.g. VM Monitor, SAN Monitor and Storage Response Time Monitor
http://www.solarwinds.com/downloads/
