The new advanced application launcher. It is the standard in kde 4.0. It has many features like search, show recently used applications, favorites,...
Traditional menu (like the one in kde3).
A simple analog clock.
A binary clock.
A simple digital clock.
A fuzzy clock.
Watch a file on disk.
Get the color value of any color on the desktop.
Show comics on your desktop. This currently supports comics like: Userfriendly, Dilbert, Garfield, Snoopy, XKDC, OsNews Focus Shift.
A picture applet. It can show a single picture or a slideshow of pictures. You can drop an image to show an image, or drop a folder to start a slideshow of the images in the folder.
A dictionary applet. Search the definition of a word.
Show the current state of the battery. On hover show percentage of current. battery left