Autocomplete Dutch addresses using PostcodeApi.nu
City Data
Adapt the module base_business_document_import for France
Generate Chorus-compliant UBL e-invoices
Enable invoice basis on tax according to the Dutch law
Philippine base location (source: http://www.philgis.org/):
Types and number validation for swiss electronic pmnt. DTA, ESR
Print inpayment slip from your invoices
Specific MIS reports for switzerland localization