• This application will help you keep track of your daily activities through it’s simple interface.

• This tool allows users to upload photos to their Flickr account, or back up files to Box.net.

• Droopy allows users to send their files to your netbook directly instead of using another service such as Sendspace.

TreeLine

• TreeLine keeps track of your bookmarks, task lists, contact information & more.

TiddlyWiki

• This application treats notes as small containers named "tiddlers" which can be hidden or shown.

Head over here for an extensive description of the applications/tools mentioned above.