FatturaElettronica/FatturaElettronica.NET

Description and use

**Brief Summary**
FatturaElettronica.NET is an open‑source C# library that implements the Italian “Fattura Elettronica” (electronic invoicing) standards required for businesses and public administrations. It provides data models, XML serialization, and validation utilities to generate, parse, and sign compliant invoices, making it easier to integrate e‑invoicing into .NET applications.

**Value**

• **Compliance‑by‑design** – the library encodes the latest Agenzia delle Entrate specifications, so developers don’t have to maintain the complex XML schema and validation rules themselves.
• **Rapid prototyping** – with ready‑made POCO classes and helper methods, teams can quickly generate test invoices and experiment with the workflow before committing to a full‑scale implementation.
• **Community traction** – 205 stars and 68 forks indicate a modest but active user base, and the project is still being maintained (last commit 2026‑07‑06).

**Practical Adoption Path**

1. **Read the README & samples** – verify that the provided examples cover the required use‑cases (e.g., creating a “Fattura” from scratch, signing with a digital certificate, and sending to the SDI).
2. **Proof‑of‑Concept** – create a small console app that generates a single compliant invoice, validates it, and optionally posts it to a sandbox SDI endpoint.
3. **Dependency check** – ensure the library’s .NET target (e.g., .NET 6/7) matches your project and evaluate any transitive packages for licensing or security concerns.
4. **Integration** – wrap the core calls in a service layer that can be swapped out later, and add automated tests that validate the generated XML against the official XSDs.
5. **Production rollout** – after the PoC passes, extend the service to handle bulk invoice generation, error handling, and logging; integrate with your ERP or accounting system.

**Production Readiness**

• **Maturity**: Medium. The codebase is stable enough for internal prototypes and limited production use, but the integration surface is not extensively documented, so some custom glue code will be required.
• **Maintenance**: Recent activity suggests the project is still maintained, yet you should monitor the repository for future updates or breaking changes.
• **Risks**: Lack of detailed integration guides and limited community support mean you may need to invest time in understanding the setup (certificate handling, SDI communication). Conduct a small‑scale pilot to gauge the effort before committing to a full production deployment.

Use in a workflow

FatturaElettronica/FatturaElettronica.NET may be useful when its README and activity match a concrete workflow.

Limitations and review notes

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.