structured editor:
texmacs, http://www.texmacs.org/tmweb/home/welcome.en.html
text editor:
notepad++
notepad2
sublime text
lime text
modelling:
staruml
staruml2 beta
screen capture:
setuna2
jing
code coverage:
opencover
decompile .net assembly:
ilspy
command prompt:
conemu
tools collection:
systeminternals
nirsoft
softwareok
protocol analysis:
wireshark
fiddler
port peeker
remote desktop manager:
multidesk
calculator:
bincalc
bootable usb disk maker:
rufus
geometry drawing:
http://www.geogebra.org/cms/en/