These are useful downloads.
iPerf:
Modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss.
– http://sourceforge.net/projects/iperf/
TFTPD
Tftp server which you can use to upload images to devices like a Cisco IOS Router or Cisco ASA
– http://tftpd32.jounin.net/tftpd32_download.html