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).

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February 21st
Phone Orders: version 3.2.4, separate page for sales agents (without access to “wp-admin”).

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

January 31st
Phone Orders: version 3.2.3, use our(free) discount plugin to apply bulk/roles/others discounts

January 16th
Dynamic Pricing: version 1.5.2, complex cart condition “Product Combination” – check some samples

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Free plugins are available in official WordPress repository.