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).
Phone Orders: version 3.3.1, sort products by relevance, tweak “Ship to a different address”, View Invoice.
Dynamic Pricing: version 1.6.0, product filters support quantity ranges, added a lot of UI settings.
Advanced Order Export: version 2.1.1, new format – PDF, fixed some vulnerabilities
Free plugins are available in official WordPress repository.