
untdid
[](https://badge.fury.io/js/untdid) [](https://opensource.org/licenses/MIT)
electronic-address-scheme
[](https://badge.fury.io/js/electronic-address-scheme) [](https://opensource.org/licenses/MIT)
un-ece-recommendation
[](https://badge.fury.io/js/un-ece-recommendation) [](https://opensource.org/licenses/MIT)
e-invoice-codes
[](https://badge.fury.io/js/e-invoice-codes) [](https://opensource.org/licenses/MIT)
zugferd-code-lists
ZUGFeRD code lists, e.g. languages enum, currencies enum, countries enum, etc.