Cisco VPN Client – Windows 64-Bit
Cisco VPN Client – Windows 32-Bit
QCheck – Check bandwidth between two Servers/PCs
iPerf – Another bandwidth checker but uses the command line. Check this post out USAGE
PuTTY: a free telnet/ssh client
PuTTY Connection Manager(.NET 2.0 required)
tftpd32 standard edition (installer)
tftpd32 service edition (installer)
tftpd64 standard edition (installer)
tftpd64 service edition (installer)
GPG4win – For file and email encryption
Sysinternals Tools – Really good tools to help troubleshoot your Windows network