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).
Dynamic Pricing: version 2.3.0, Product Collections added to cart conditions
Order Export: version 3.1.1, core changes made in free version 3.1.0 and 3.1.1
Phone Orders: version 3.3.7, a lot of interface options , settings tab “WooCommerce”
Free plugins are available in official WordPress repository.