elklab

This simple plugin allows to set a minimum number of items per order. 
If the number of items in the cart is less than the set value 
an error message will be shown and the checkout will be blocked.
This plugin features Italian and French translations. 
Spanish and German translations will be added in next version.
Configuration options are available in 
WooCommerce->Settings->Products->ELK Minimum Items per Order

ELK Minimum Items per Order for WooCommerce

This simple plugin allows to set a minimum number of items per order

paxmanpwnz

Dippsy – the DIgital Products PayPal Store for You!
With it, you can easily sell your digital products, whether it be music, e-books, software, pictures, videos – anything that can be stored in bytes.
Payment gateway is the known widely used and hence verified Paypal.
Dippsy has many features. Some of them are:
<ul>
<li>Clean interface</li>
<li>Easy product adding/editing</li>
<li>Product preview</li>
<li>Multiple files per product</li>
<li>Many file formats support</li>
<li>Simple order review</li>
<li>Order status e-mailing</li>
<li>Cancel/completed message pages</li>
<li>Many customizable settings</li>
<li>Customizable store frontend look</li>
<li>Warning messages</li>
<li>Automatic PayPal IPN handling</li>
</ul>
For more information see <a href="http://dippsy.cz.cc" rel="nofollow ugc">official Dippsy website</a>.

Dippsy

An easy to use PayPal e-commerce solution with only downloadable goods in mind, hassle free installaton and many configurable settings.

ELK Minimum Items per Order for WooCommerce vs Dippsy