riotweb

Quantity table
When activated the plugin will automatically show a table with price and quantity next to the product.
Required
The dynamic pricing plugin has to be installed before this works.

Woocommerce Quantity Table

Extension for Dynamic Pricing plugin that shows a table with price and quantity.

B Hays

Limit the display of product fields with Gravity Forms based on the number of entries.
Currently only works for single product fields with a quantity defined. Limit does not count against entries in the trash.
Great for event registration or product quantity limiting.
Built with Better Inventory with Gravity Forms from Gravity Wiz 
http://gravitywiz.com/better-inventory-with-gravity-forms/

Gravity Forms Quantity Limiter

Limit the display of product fields with Gravity Forms based on the number of entries.

Woocommerce Quantity Table vs Gravity Forms Quantity Limiter