3D Home Architect
* Sweet Home 3D (http://sweethome3d.sourceforge.net/index.html)
3D Studio Max
* Art of Illusion (http://www.artofillusion.org/)
* Blender (http://www.blender.org/)
* K-3D (http://www.k-3d.org/)
* Wings 3D (http://www.wings3d.com/)
ACDSee
* Eye of GNOME (http://www.gnome.org/projects/eog/)
* Geeqie (http://geeqie.sourceforge.net/)
* GQview (http://gqview.sourceforge.net/)
* Gwenview (http://gwenview.sourceforge.net/)
* KuickShow (http://kuickshow.sourceforge.net/)
* ShowImg (http://www.jalix.org/projects/showimg/)
Adobe Acrobat Reader
* ePDFView (http://trac.emma-soft.com/epdfview/)
* Evince (http://www.gnome.org/projects/evince/)
* okular (http://okular.kde.org/)
* Xpdf (http://www.foolabs.com/xpdf/)
Adobe Audition
* Audacity (http://audacity.sourceforge.net/)
Adobe Illustrator
* Inkscape (http://www.inkscape.org/)
* Karbon14 (http://www.koffice.org/karbon/)
* Skencil (http://www.skencil.org/)
* Xara Xtreme for Linux (http://www.xaraxtreme.org/)
Adobe Lightroom
* Darktable (http://darktable.sourceforge.net/)
Adobe PageMaker
* Scribus (http://www.scribus.net/)
Adobe Photoshop
* CinePaint (http://www.cinepaint.org/)
* GIMP (http://www.gimp.org/)
* Krita (http://www.koffice.org/krita/)
Ant Movie Catalog
* Moviefly (https://savannah.nongnu.org/projects/lmc/)
AOL Instant Messenger (AIM)
* Kopete (http://kopete.kde.org/)
* Pidgin (http://pidgin.im)
APC PowerChute
* Apcupsd (http://www.apcupsd.com/)
* Network UPS Tools (http://www.networkupstools.org/)
* PowerD (http://power.sourceforge.net/)
Collectorz
* Alexandria (http://alexandria.rubyforge.org/)
* aviManager (http://avimanager.sourceforge.net/)
* GCstar (http://www.gcstar.org/)
* Griffith (http://griffith.cc/)
* Katalog (http://salvaste.altervista.org/)
* Tellico (http://tellico-project.org/)
* vMovieDB (http://vmoviedb.sourceforge.net/)
Dreamweaver
* Bluefish (http://bluefish.openoffice.nl/index.html)
* Geany (http://geany.uvena.de)
* KompoZer (http://www.kompozer.net/)
* Nvu (http://www.nvu.com/)
* Quanta Plus (http://quanta.kdewebdev.org/)
* Screem (http://www.screem.org/)
DVDShrink
* AcidRip (http://untrepid.com/acidrip/)
* dvd::rip (http://www.exit1.org/dvdrip/)
* k9copy (http://k9copy.sourceforge.net/)
* OGMRip (http://ogmrip.sourceforge.net/)
* qVamps (http://vamps.sourceforge.net/)
* Thoggen (http://thoggen.net/)
* xdvdshrink (http://dvdshrink.sourceforge.net/)
Everest
* HardInfo (http://hardinfo.berlios.de/web/HomePage)
Evernote
* BasKet (http://basket.kde.org/)
* QuickFox Notes (https://addons.mozilla.org/en-US/firefox/addon/13572/)
* Tomboy (http://live.gnome.org/Tomboy/)
* Zim (http://zim-wiki.org/)
Finale
* Brahms (http://brahms.sourceforge.net/)
* Denemo (http://denemo.sourceforge.net/index.html)
* Lilypond (http://www.lilypond.org)
* MuseScore (http://musescore.org/)
* NoteEdit (http://noteedit.berlios.de/)
* Rosegarden (http://www.rosegardenmusic.com/)
FL Studio
* Ardour (http://www.ardour.org)
* Jokosher (http://www.jokosher.org/)
* LMMS (http://lmms.sourceforge.net/)
Fontographer
* FontForge (http://fontforge.sourceforge.net/)
foobar2000
* Amarok (http://amarok.kde.org/)
* Aqualung (http://aqualung.factorial.hu/misc.html)
* aTunes (http://www.atunes.org/)
* Banshee (http://banshee-project.org/Main_Page)
* Exaile (http://www.exaile.org/)
* gtkpod (http://www.gtkpod.org/)
* Listen (http://listengnome.free.fr/)
* Quod Libet (http://www.sacredchao.net/quodlibet)
* Rhythmbox (http://www.gnome.org/projects/rhythmbox/)
Forte Agent
* Pan (http://pan.rebelbase.com/)
Fraps
* recordMyDesktop (http://recordmydesktop.sourceforge.net/)
* Yukon (https://devel.neopsis.com/projects/yukon/)
FreeRIP
* Grip (http://nostatic.org/grip/)
* KAudioCreator (http://www.icefox.net/programs/?program=KAudioCreator)
* ripperX (http://ripperx.sourceforge.net/)
* Rubyripper (http://wiki.hydrogenaudio.org/index.php?title=Rubyripper)
* Sound Juicer (http://www.burtonini.com/blog/computers/sound-juicer)
FruityLoops
* Hydrogen (http://www.hydrogen-music.org/)
Google Desktop Search
* Beagle (http://beagle-project.org/)
* Google Desktop (http://desktop.google.com/linux/index.html)
Guitar Pro
* DGuitar (http://dguitar.sourceforge.net/)
* kguitar (http://sourceforge.net/projects/kguitar/)
* TuxGuitar (http://www.tuxguitar.com.ar/home.html)
Legacy Family Tree
* GRAMPS (http://gramps-project.org/)
LimeWire
* FrostWire (http://www.frostwire.com/)
Meal Master
* Gourmet Recipe Manager (http://grecipe-manager.sourceforge.net/)
* krecipe (http://krecipes.sourceforge.net/)
Microsoft Access
* GNOME-DB (http://www.gnome-db.org/)
* Kexi (http://www.koffice.org/kexi/)
* knoda (http://www.knoda.org)
Microsoft Excel
* Gnumeric (http://www.gnome.org/projects/gnumeric/)
* KSpread (http://www.koffice.org/kspread/)
* Open Calc (http://www.openoffice.org/product/calc.html)
Microsoft HyperTerminal
* GtkTerm (http://freshmeat.net/projects/gtkterm/)
* minicom (http://alioth.debian.org/projects/minicom/)
Microsoft Internet Explorer
* Epiphany (http://www.gnome.org/projects/epiphany/)
* Firefox (http://www.mozilla.com/firefox/)
* Konqueror (http://www.konqueror.org/)
* Opera (http://www.opera.com/download/)
Microsoft Money
* Gnofin (http://gnofin.sourceforge.net/)
* GNUcash (http://www.gnucash.org/)
* Grisbi (http://www.grisbi.org/)
* HomeBank (http://homebank.free.fr/)
* KMyMoney (http://kmymoney2.sourceforge.net/)
* Skrooge (http://skrooge.org/)
Microsoft Office
* GNOME Office (http://www.gnome.org/gnome-office/)
* KOffice (http://www.koffice.org/)
* OpenOffice (http://www.openoffice.org/)
Microsoft Outlook (Express)
* Evolution (http://www.gnome.org/projects/evolution/)
* Thunderbird (http://www.mozilla.com/thunderbird/)
Microsoft Powerpoint
* KPresenter (http://www.koffice.org/kpresenter/)
* Open Office Impress (http://www.openoffice.org/product/impress.html)
Microsoft Project
* GanttProject (http://ganttproject.sourceforge.net/)
* KPlato (http://www.koffice.org/kplato/)
* OpenProj (http://openproj.org/openproj)
* Planner (http://live.gnome.org/Planner)
* TaskJuggler (http://www.taskjuggler.org/)
Microsoft Visio
* Dia (http://www.gnome.org/projects/dia/)
* Kivio (http://www.koffice.org/kivio/)
Microsoft Windows Media Center
* Boxee (http://www.boxee.tv/)
* Freevo (http://freevo.sourceforge.net/)
* LinuxMCE (http://www.linuxmce.com/)
* Moovida (http://www.moovida.com)
* MythTV (http://www.mythtv.org)
* XBMC Media Center (http://xbmc.org/)
Microsoft Word
* AbiWord (http://www.abisource.com/)
* Kword (http://www.koffice.org/kword/)
* Open Office Writer (http://www.openoffice.org/product/writer.html)
mIRC
* BitchX (http://www.bitchx.org/)
* ChatZilla! (http://chatzilla.hacksrus.com/)
* irssi (http://www.irssi.org/)
* Konversation (http://konversation.kde.org/)
* KVIrc (http://www.kvirc.net/)
* Pidgin (http://pidgin.im)
* Xchat (http://www.xchat.org/)
Mp3tag
* Audio Tag Tool (http://pwp.netcabo.pt/paol/tagtool/)
* Cowbell (http://more-cowbell.org/)
* EasyTAG (http://easytag.sourceforge.net/)
* Kid3 (http://kid3.sourceforge.net/)
* Pinkytagger (http://pinkytagger.sourceforge.net/)
MS Paint
* KolourPaint (http://kolourpaint.sourceforge.net/)
* Pencil (http://www.pencil-animation.org/)
* Pinta (http://pinta-project.com/)
* TuxPaint (http://tuxpaint.org/)
MSN messenger
* aMSN (http://amsn-project.net/)
* Kopete (http://kopete.kde.org/)
* Mercury Messenger (http://www.mercury.to/)
* Pidgin (http://pidgin.im)
Mudbox
* SharpConstruct (http://sourceforge.net/projects/sharp3d/)
Nero Burning Rom
* Brasero (http://perso.orange.fr/bonfire/index.htm)
* GnomeBaker (http://gnomebaker.sourceforge.net/)
* Graveman! (http://graveman.tuxfamily.org/)
* K3b (http://www.k3b.org/)
* X-CD-Roast (http://www.xcdroast.org/)
NetMeeting
* Ekiga (http://www.gnomemeeting.org/)
NetStumbler
* Kismet (http://www.kismetwireless.net/)
* SWScanner (http://www.swscanner.org/)
NewzCrawler
* Akregator (http://akregator.kde.org/)
* BasKet (http://basket.kde.org/)
* Blam (http://www.cmartin.tk/blam.html)
* Liferea (http://liferea.sourceforge.net/)
* RSSOwl (http://www.rssowl.org/)
* Straw (http://www.gnome.org/projects/straw/)
Notepad
* gedit (http://www.gnome.org/projects/gedit/)
* jEdit (http://www.jedit.org/)
* Kate (http://kate-editor.org/)
* leafpad (http://tarot.freeshell.org/leafpad/)
* NEdit (http://www.nedit.org/)
* Scribes (http://scribes.sourceforge.net/)
* tpad (http://tclpad.sourceforge.net/)
OrangeCD Catalog
* GWhere (http://www.gwhere.org)
Origin
* SciGraphica (http://scigraphica.sourceforge.net/)
Partition Magic
* GParted (http://gparted.sourceforge.net/)
* Partimage (http://www.partimage.org/Main_Page)
* QtParted (http://qtparted.sourceforge.net)
PhotoME
* FotoTagger (http://sourceforge.net/projects/fototagger/)
Picasa
* digiKam (http://www.digikam.org/)
* F-Spot (http://f-spot.org/Main_Page)
* flPhoto (http://www.easysw.com/~mike/flphoto/)
* gThumb (http://live.gnome.org/gthumb/)
* jBrout (http://jbrout.manatlan.com/)
* KPhotoAlbum (http://www.kphotoalbum.org/)
* Shotwell (http://www.yorba.org/shotwell/)
SoulSeek
* Nicotine (http://nicotine.thegraveyard.org/)
* Nicotine-Plus (http://nicotine-plus.sourceforge.net/)
SoundForge
* ReZound (http://rezound.sourceforge.net/)
Total Commander
* GNOME Commander (http://www.nongnu.org/gcmd/)
* Krusader (http://krusader.sourceforge.net/)
* Midnight Commander (http://www.ibiblio.org/mc/)
* Tux Commander (http://tuxcmd.sourceforge.net/)
* xfe (http://roland65.free.fr/xfe/)
Traktor DJ
* Mixxx (http://mixxx.sourceforge.net/)
* terminatorX (http://www.terminatorx.org/)
TweetDeck
* Choqok (http://choqok.gnufolks.org/)
* Gwibber (http://gwibber.com/)
* Pino (http://pino-app.appspot.com/)
uTorrent
* qBittorrent (http://qbittorrent.sourceforge.net/)
* Transmission (http://www.transmissionbt.com/)
Videora
* thin liquid film (http://thinliquidfilm.org/)
Winamp
* Amarok (http://amarok.kde.org/)
* Audacious (http://audacious-media-player.org/Main_Page)
* XMMS (http://www.xmms.org/)
Windows Media Player
* KPlayer (http://kplayer.sourceforge.net/)
* mplayer (http://www.mplayerhq.hu/design7/news.html)
* VLC Player (http://www.videolan.org/vlc/)
* xine (http://xinehq.de/)
Windows Movie Maker
* cinefx (http://www.cinefx.org/)
* Cinelerra (http://cvs.cinelerra.org/)
* Kdenlive (http://kdenlive.sourceforge.net/)
* Kino (http://www.kinodv.org/)
* LiVES (http://lives.sourceforge.net/)
* Lombard (http://yorba.org/lombard/)
* Open Movie Editor (http://www.openmovieeditor.org/)
* OpenShot (http://www.openshotvideo.com/)
* PiTiVi (http://www.pitivi.org/wiki/Main_Page)
* VideoLAN Movie Creator (http://trac.videolan.org/vlmc/)
WinIso
* KIso (http://kiso.sourceforge.net/)
WinMerge
* KDiff3 (http://kdiff3.sourceforge.net/)
* Kile (http://kile.sourceforge.net/)
* Meld (http://meld.sourceforge.net/)
* xxdiff (http://furius.ca/xxdiff/)
WinTV
* KWinTV (http://www.kwintv.org/)
* tvtime (http://tvtime.sourceforge.net/)
* xawtv (http://linux.bytesex.org/xawtv/)
* XdTV (http://xawdecode.sourceforge.net/)
* Zapping (http://zapping.sourceforge.net/Zapping/index.html)
WS_FTP
* FireFTP (http://fireftp.mozdev.org/)
* gFTP (http://gftp.seul.org/)
ZoneAlarm
* Firestarter (http://www.fs-security.com/)
* Guarddog (http://www.simonzone.com/software/guarddog/)
Zscreen
* Shutter (http://shutter-project.org/)