The PolyKB II dongle free demo can be used to demoing the PolyKB II player: It uses the same audio engine, the same preset management and the same system implementation. It also provides the same factory bank. 

Download the dongle free limited feature of the PolyKB II :

	polykb_II_DEMO_win_setup.exe	The limited fetures demo outputs rattle clics periodically (about every 20-25 seconds)
	polykb_II_DEMO_osx_setup.dmg	No preset or project saving. No bank import or export. No authomation. No time limit No dongle or serial number required

Warning : the PolyKB II Player is not a stand alone application, but a plug-in to be inserted into a music software application.

free mac VST host : http://arne.knup.de/?page_id=32

free windows VST host : http://www.hermannseib.com/english/vsthost.htm