Sequential Order Numbers, by WooCommerce
Multi-Currency for WooCommerce, by VillaTheme
WooCommerce Extra Product Options, by ThemeComplete
ACF Pro
Checkout Field Editor for WooCommerce, by ThemeHigh
WooCommerce Admin Custom Order Fields, by WooCommerce
WooCommerce EU VAT Assistant, Aelia
WooODT extended, by ByConsole
WooCommerce Extra Product Options by TM
Advanced Custom Fields PRO by Elliot Condon
WooCommerce brands
PPOM for WooCommerce by N-MEDIA
WooCommerce Affiliates By YITH
WPML