Top 20 NuGet core Packages

SimpleVoucher Discount
ShippingPayment Discount
Shipping Discount
ProductQuantity Discount
ProductPriceField Discount
ProductOrderField Discount
PriceFieldPrice Provider
OrderFieldShipping Discount
OrderField Discount
ReplaceWithSameProduct
ReplaceWithDifferentProduct
Refund
Stripe Checkout handler
QuickPay3
PayPal Express Checkout Handler
Ogone
KlarnaCheckout
Dibs
"Payment system, http://www.cybersource.com"
ChargeLogicConnect