I second Zonealarm and Firefox. For me, its Vim, GNU Octave and Maxima, a few languages, Winsplit Revolution, and a few console tools (curl, mc, mplayer, unxut

I second Zonealarm and Firefox. For me, its Vim, GNU Octave and Maxima, a few languages, Winsplit Revolution, and a few console tools (curl, mc, mplayer, unxutils, etc.,)