TapNext is the best presentation remote control software ever.
Features:
-Works with all the major presentation software: Microsoft PowerPoint
(Mac/Windows), Apple Keynote 3.0/'08/'09, OpenOffice.org Impress (Mac/Windows)
-Remote control connection could be Ad-hoc, or through 3G and WiFi networks
-Easy to connect Mac or Winows
-Count-down Timer
-Count-Up Timer
-Time Keeper Alarm Vibration
-Voice Recorder
