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= Windows =
  1. tightvnc
  1. ultravnc


= Linux =
 1. x11vnc (current x11)
    * x11vnc 會把目前的桌面送出去。
 1. vnc4server(new x11)
    * vnc4server 會開另一個新的 X
 1. xtightvncviewer


= Web =
 1. vnc-java