Well, it is a big list, isn't it? I doubt that the author actually uses all of these tools. Consider that the list contains Cygwin plus a whole bunch of utilities that are native Cygwin applications (Gnu Tools, Tailers, Splitters, and more).
This list left me feeling that it needs to be proctored or maintained. I don't want a list of utilities that somebody tried once; I want a list of good utilities.