VoiceThread: http://voicethread.com/
Prezi: http://prezi.com/index/
Audacity: http://audacity.sourceforge.net/download/
Movie Maker: http://windows.microsoft.com/zh-TW/windows-live/movie-maker-get-started
Hot Potatoes: http://hotpot.uvic.ca/
http://www.lttc.ntu.edu.tw/academics/hotpotatoes.htm
Prezi: http://prezi.com/index/
Audacity: http://audacity.sourceforge.net/download/
Movie Maker: http://windows.microsoft.com/zh-TW/windows-live/movie-maker-get-started
Hot Potatoes: http://hotpot.uvic.ca/
http://www.lttc.ntu.edu.tw/academics/hotpotatoes.htm