A small service which allows to validate XML against PEPPOL BIS Billing schematron rules
A small service to validate XML against PEPPOL BIS 3.X, XRechnung 3.X, factur-x 1.07 or EN16931 rules
Java/Maven CLI that applies an enveloped XML digital signature (XML-DSig: RSA-SHA1, inclusive C14N, X509Data) inside the ext:ExtensionContent element of UBL 2.1 documents — the signing step Peru's SUNAT requires for electronic invoices, boletas, credit/debit notes, and despatch advices (guías de remisión).
Java library for creating electronic invoices compliant to the XRechnung standard.
Spring-Boot-first Java client for Poland's KSeF 2.0 e-invoicing (FA(3)): send, read, and UPO handling, with a published test mock. Apache-2.0, on Maven Central.
Factur-X / EN 16931 e-invoicing engine for France PDP & Tunisia TTN compliance — full observability stack (Prometheus/Grafana), Docker Compose, CI
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