web browser: Firefox
email client: Thunderbird
instant messenger: PC | MAC
image editor: GIMP
video player: VLC
torrent client: Azureus
anonymous browsing:
Tor | TorButton

adfree browsing:
Adblock Plus | Filterset.G
Flashblock
interface improvement:
Tab Mix Plus
All-in-One Sidebar
FoxyTunes (skin)
browsing enhancement:
Down Them All
Linkification
AutoCopy

spyware removal: Spybot
antivirus: Avast
mp3 jukebox: iTunes
copy from pod: EphPod
text editor: Notepad++
batch renaming: Rname-It
archive manager: winrar
SpeedFan

launcher: quicksilver
copy from pod: Senuti
text editor: SubEthaEdit
Temperature Monitor

How to Secure your Email