Some applications to replace MS Windows

Lots of free alternatives, some examples:

• photo editing, imaging: TheGimp instead of Photoshop (not the same, but enough)
  
• photo archiving: digiKam, instead of Picasa (?);
• browser web: konqueror, firefox, opera, instead of Internet Explorer;
• email: kmail, thunderbird, evolution, instead of Outlook;
• chat: kopete, amsn, pidgin, instead of MSN, konversation instead of Mirc;
• voip: skype, gizmo, ekiga;
• dev: quanta+, eclipse, netbeans, kdevelop;
• filesharing: amule, ktorrent, instead of emule;
• ftp: kasablanca;
• burning: k3b instead of Nero;
• backup dvd: k9copy;
• multimedia: mplayer instead of Media Player, amaroK instead of iTune;
• dvd authoring: ManDVD, avidemux, cinelerra;
• office: openoffice, koffice instead of Office;
• desktop search engine: beagle instead of Google Desktop;
• desktop effects: compiz-fusion instead of Aero;
  
• other stuff: knotes, akregator...

...and gaming? Something can be found here