The new DHL Products and Services module allows you to integrate DHL products and services for shipping from Germany and Austria into your shop.
With this module your customer may download the generated invoices to his customer-account and you can attach the invoice at shipment confirmation via e-mail.
OXID extension to get direct connection to API of DPD to create shipping labels from your shop backend.
Same day delivery via tiramizoo.com
you can generate vouchers for free shipping.