Virtuemart Non Shippable Products
VM NoShipment v2 by ekerner.com Virtuemart plugin for non shippable products.
Virtuemart Downloadable Products
Joomla Virtuemart Custom Field Plugin for Downloadable/Virtual Products.
VM API !MULTI!
Virtuemart Application Programming Interface. Allow others to display and promote your Virtuemart products on their websites.
Captcha - NoCaptcha
NoCaptcha automatically prevents unsolicited form submissions without the need for those ugly and unfriendly captcha fields.