Hi Ed,
Yes,
Look here: http://www.kvraudio.com/get.php?mode=results&st=adv&soft=h&type%5B%5D=0&f=0&fe=0&linux=1&mac=1&osx=1&win=1&free=1&sf=0&receptor=&sort=1&rpp=30
Not all of these are Vst hosts, but there are several that are. I've used Tobybear's minihost as a standalone and it works fine.
AJ
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AJ