There are many must-haves when running an IT environment. Most here are free or inexpensive and many assist greatly in automated scripts.
WGET : A command line tool that retrieves web links/sites. This will be automated by NoPress to make a basic mirror of the local website.
FART : It may sound a bit rude but FART stands for Find And Replace Text. An easy to automate command line tool that makes simple edits to text files or entire directories of text files.
NcFTP : A small collection of great command line FTP tools. Much easier than building full FTP scripts.
mRemoteNG – More than just a great way to organize all of your RDP connections. mRemoteNG also allows a nice tree-based organizer and tabbed window for VNC, HTTP(S), SSH, Telnet and ICA connections.