These mostly come in pairs, with the description in front then the
client or server tag

clientCommandLister - A client that just connects to the server then lists the
  data that the server has available.  Also useful as a testing/diagnostic tool.

configClient - A client that will get the ArConfig information from the server

configClientToServer - A client that will send ArConfig information from
  a config file to the server

configServer - A server that takes the ArConfig information and
  makes it available to the client, use in conjunction with configClient

configServerRobot - Serves up a robot parameter file to edit (example)

serverDemo - An example that will show the setting up of a
  server with robot sensor visualization, robot control, and more... 
  connect with MobileEyes. 

drawingsExample - Shows how to display custom graphics (drawings) in 
  a client

drawingsExampleWithRobot - Shows how to display custom graphics (drawings)
  in a client, along with the robot and its sensors.