µtorrent  --- ktorrent
3gp Video converter --- http://www.kde-apps.org/content/show.php?content=55313
Adobe Photoshop --- The Gimp
AnyDVD --- Drip
Audacity --- Audacity
Audiograbber --- Grip
avast! --- avast!
DVDx ---  Drip
eMule --- mldonkey
Filezilla --- Filezilla
Foxit PDF creator/reader --- Foxit reader
GAIM --- GAIM/mercury
Google Desktop ---
Gmail notifier ---
Hex Workshop --- Biew
Media Monkey (tagging music from online database/store (Amazon) and embed cover art into tag) --- banshee
MS Office XP --- OpenOffice
My Phone Explorer (Sony Erricsson Phone manager, not official one http://www.fjsoft.at/) ---
Nero Burning Rom --- k3b
Notepad ++ (enhanced notepad with syntax highlighting etc) --- gnotepad+
Opera --- Opera
Peer Guardian 2 (Firewall, IP filter based) ---
Tortoise SVN ---
VLC --- VLC
Winamp --- XMSS (supports Winamp themes?)/amarok
WinRAR (something with a GUI) --- gnochive/ 7zip
X-Chat --- X-Chat
Yahoo Widget engine