Web2.0apps
http://www.netvibes.com/ - the best web based RSS feed reader. I’ve been using it for quite some time now. I’m not sure if I should say “a year” or “for years”, but it really has been almostWhy would you want a program hard-installed when you can just go to a “web page”, no offence intended, dear Netvibes
http://www.yousendit.com/- you need to send a big file to someone, you enter his or hers email address and attach the file and he/she gets the download link in mail
http://www.box.net - your online file catalog
http://drop.io/ - no sign up, share media
http://www.bitstrips.com/ - do your own comic strip with this nice webapp. Drag’n'drop up to two characters and add some punchlines.
http://play.typeracer.com/ - a game, write a piece of text and compete with other typists in a typewriting race.