Esta é uma lista com os principais programas usados no Windows e os programas equivalentes para Ubuntu. lembrando que ainda podemos usar diversos programas do windows tais como: office 2007, Photoshop CS3, etc... via Wine.
Nota: Todos os programas que não vêm instalados por padrão no seu Ubuntu poderão ser instalados mais tarde pois possuem total compatibilidade com o sistema Ubuntu.
Escritório
Windows .................................................. ...................... Ubuntu
Acrobat Reader............................................ ...................Acrobat Reader, Evince, Xpdf, Kpdf
Bloco de notas, Word Pad............................................... .Gedit, Kate, Leaf, Emacs, Mousepad
Microsoft Excel............................................. ..................Writer, AbiWord, Kword
Microsoft Power Point............................................. .........Impress, Kpresenter
Microsoft Access............................................ .................Base, Kexi
Microsoft Money............................................. ................GnuCash, KmyMoney
Microsoft Project........................................... .................Planner
Microsoft Vision............................................ ..................Dia, Kivio
Utilitários
Windows .................................................. ................................ Ubuntu
WinZip, Win Rar............................................... ........................File Roller, Ark, Unrar, Zip
Windows Explorer.......................................... ..........................Nautilus, arrebenta-file, Konqueror, Thunar,
Gadgets, Google Desktop Gadgets........................................... ...gDesklets, Gkrellm, SuperKaramba,
Pesquisa.......................................... ......................................Beagle
Google Desktop Search............................................ .................Google Desktop Search for linux
Busca inteligente Windows Vista............................................. ....Gnome
Aero.............................................. ........................................Compiz-Fusion
Vmware, Virtual PC................................................ ..................VMware, Virtual box, Qemu, Bochs, DOSEMU, dosbox
Norton Anti Virus, AVG, Avast............................................. .......Dr. Web, Avira, AVG, RAV Anti virus
Virus, Trojans, Spywares, Adwares........................................... ..Não tem
Partition Magic............................................. ...........................Gparted, Qtparted, Partition Image, Partition Manager,
Acronis Partition Expert
Internet
Windows .................................................. .............................Ubuntu
Windows Live Messenger, …................................................. ......Pidgin, aMSN, Mercury, Kopete, Emessene
ICQ, YIM, Jabber, Gtalk, MSN............................................... ......Pidgin, Kopete, Empathy
Internet Explorer.......................................... ............................Firefox, Opera, Google Chrome, Epiphany
Outlook Express, Microsoft Outlook........................................... ..Evolution, Kontact, Thunderbird
Skype............................................. .......................................Skype
Gizmo............................................. ......................................Gizmo
NetMeeting........................................ .....................................Ekiga, Xten Lite, phone
TeamSpeak......................................... ...................................TeamSpeak
Kazaa, LimeWire.......................................... ...........................LimeWire, FrostWire
SoulSeek.......................................... .....................................Nicotine
eMule............................................. .......................................aMule, lMule, reaMule
Microsoft FrontPage, Dreamweaver....................................... .....KompoZer, Quanta+, Bluefish, Aptana Studio
mIRC.............................................. .............................. .......XChat, Ksirc, Konversation, Kvirc, Irssi
Google Earth............................................. .............................Google Earth, Earth 3D, Marble
Bittorrent, Azureus …................................................. ..............Bittorrent, Gnome Torrent, Azureus, Deluge
CuteFTP, Bullet Proof FTP, Wsftp............................................. ...gFTP, Kbear
Jigdo............................................. ........................................Jigdo
Musica e Vídeo
Windows .................................................. ............................. Ubuntu
Windows Media Player (áudio), iTunes...........................................a marok, Rhythmbox, Banshee, Listen
Windows media Player (vídeo) …................................................. Totem, Kaffeine, Mplayer, Xine, Gxine, VLC
Real Player …................................................. ..........................Real Player
Nero, Easy CD Creator........................................... ....................K3B, Brasero, Gnome, Baker , Nero
DVD Shrink............................................ ..................................Xdvdshrink, K9copy, Acidrip,DVD::RIP, Thoggen.
Winamp …................................................. ..............................XMMS, Beep-Media-Player, Audacious
Sound Forge …................................................. ........................Audacity, Ardour
Finale, Encore, Sibelius …................................................. .........Rosegarden, MusE
Adobe Premiere, Windows Movie Maker …....................................Avidemux , DIVA, Cinelerra, Lives, Kino, Kdenlive, Main Actor
Windows Media Center............................................ ...................Moovida
Gráficos e Imagem
Windows .................................................. ............................ Ubuntu
Photoshop Lite, Picasa............................................ .........................FSpot, digiKam, Picasa
Adobe Photoshop …................................................. .......................GIMP, Pixel Edit
Adobe Illustrator, CorelDRAW! …................................................. .....Inkscape, Xara Xtreme
Quark Xpress, Page Maker …................................................. ..........Scribus, OpenOffice.org Draw
Adobe Flash …................................................. .............................Adobe Flash, Synfig, SWFTools
Paint …................................................. .......................................GnuPaint, Tux, Paint, KolourPaint
AutoCad, Pro Engineer.......................................... ..........................Pro Engineer, Qcad, Varicad, Archimedes
3D Max, XSI, Maya …................................................. ....................Maya, XSI, Blender
VueScan........................................... ...........................................VueScan , Xvscan, Xsane, Kooka.
Picasa …................................................. .....................................Picasa
Java.............................................. ..............................................Java
Fonte: http://www.google.com.br/url?sa=t&so...839fIyekJs-5ew