nager 

Calculate public and federal holidays for a given year with native and English translations. Supports countries and subdivisions, covering over 200 countries worldwide.

Get Worldwide country informations and border information

Domain parsing and validation (TLD, domain, subdomain) provide easy and fast access to the Public Suffix List

Get country translations and language translations for Nager.Country

This package provides functionality to integrate license key verification into your software applications.

Public Holidays / Federal Holidays for a given year. Supports more than 150 countries

Validate article numbers (EAN8, EAN13, GTIN, ISBN10, ISBN13, ISSN, UPC, ASIN). Detect the article number type of a code

A simple TcpClient with asynchronous connect logic. Received data packets are available via a DataReceived event. There are also events for Connected and Disconnected.

Read frames from a rtsp video stream or from a video file

Email Authentication, DMARC Record Validation, DKIM Record Validation, DKIM Signature Validation, SPF

Process fragmented bytes via a buffer to packages

Hetzner DNS API, Get Zones, Get Records, Create Record, Update Record, Delete Record

Modern DNS client using DNS-over-HTTPS (DoH) for secure and efficient domain name resolution.

Key Value Parser

Calculate LongWeekends

Discover devices in the network over an udp broadcast

Hetzner Cloud Client

Access the Amazon Creators API easily. Replaces the deprecated PA-API with full support for the new API.

C# client for the MOCO APP. Easily integrate invoices, purchases into .NET apps with a simple, type-safe interface.

Lightweight .NET client for validating European VAT numbers via the official EU VIES API. Supports async validation and qualified VAT checks.