We created and support following plugins for Woocommerce:

Advanced Order Export, Phone Orders, Advanced Dynamic Pricing

Try demo or submit ticket to helpdesk (not 24×7, but free users are welcomed).

Recent changes in Pro versions (these versions already include all changes made in free versions).

July 22nd
Dynamic Pricing: version 2.1.1, extra options for on sale products, price priority in product filters

July 1st
Phone Orders: version 3.3.2, show products as grid of images, popup “order history”, default products

February 12th
Advanced Order Export: version 2.1.1, new format – PDF, fixed some vulnerabilities

Free plugins are available in official WordPress repository.