PCLCrypto by: Andrew Arnott

PCL Crypto provides a consistent, portable set of crypto APIs for .NET 4.5, Windows Phone 8.0 SL & 8.1 Xaml, Windows Store, Xamarin.iOS, Xamarin.Android. This makes it easier to create cross-platform .NET libraries and apps. Crypto functionality includes asymmetric and symmetric encryption and signatures, and key derivation. PCLCrypto calls into each native platform's crypto API for maximum performance. For RSA operations this produces a 2-100X improvement in performance on Android and iOS over using the standard RSACryptoServiceProvider API.

PDF.Core by: Iron Software https://IronPdf.com

IronPDF for .Net Core 2.x and 3.x allows developers to create, edit and extract PDF content within .Net Core Applications & Websites. The Iron PDF Core library takes the frustration out of generating PDF documents by not relying on proprietary APIs. "Html-To-Pdf" renders pixel-perfect PDFs from open standard document types: HTML, JS, CSS, JPG, PNG, GIF, and SVG. In short, it uses skills that developers already posses. Key features include: * "Html-To-Pdf" creates PDF files from HTML, CSS, JavaScript, and Images. * "Url-To-Pdf" generates PDFs from existing html pages by simply providing their URL. * "Image-To-PDF" creates PDF documents from image files. * PDF to Image functionality can render PDF documents to image files. * Extract text and images from existing PDFs. * Create, Fill and read data from PDF forms. * Merge, Split and Manipulate PDFs to edit PDF structure and content. * Add Page Numbers, Headers, Footers, Watermarks, Tables, Text and Image Assets. * Edit, Stamp and Watermark PDF files with text, images and HTML * Apply HTML or PDF backgrounds to PDF pages * Sign PDF files with digital certificates IronPDF can be used within ASP.NET projects, MVC, Web Services, Console & Desktop Applications. Requires .Net Core 2.x, 3.x or higher. Supports Windows, Ubuntu, Debian, CentOS, BSD, MacOS and Azure platforms. Licensing & Support available for commercial deployments. For code examples, documentation & more visit http://ironpdf.com For support please email us at developers@ironsoftware.com

PDFsharp by: empira Software GmbH

PDFsharp is the Open Source .NET library that easily creates and processes PDF documents on the fly from any .NET language. The same drawing routines can be used to create PDF documents, draw on the screen, or send output to any printer. This is the PDFsharp PDF Core package. See Project Information for details.

PdfSharpCore by: Stefan Steiger and Contributors

PdfSharp for .NET Core PdfSharpCore is a partial port of PdfSharp.Xamarin for .NET Core Additionally MigraDoc has been ported as well (from version 1.32). Images have been implemented with ImageSharp from https://www.nuget.org/packages/SixLabors.ImageSharp

PInvoke.BCrypt by: Andrew Arnott

P/Invoke methods for the Windows BCrypt.dll.

PInvoke.Kernel32 by: Andrew Arnott

P/Invoke methods for the Windows Kernel32.dll.

PInvoke.NCrypt by: Andrew Arnott

P/Invoke methods for the Windows NCrypt.dll.

PInvoke.Windows.Core by: Andrew Arnott

P/Invoke types for common Windows APIs.

Polly by: Michael Wolfenden App vNext

Polly is a library that allows developers to express resilience and transient fault handling policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner.

popper.js by: FezVrasta

A kickass library to manage your poppers

Portable.BouncyCastle by: Oren Novotny

BouncyCastle portable version with support for .NET 4, .NET Standard 1.0-2.0, .NET Core

Portable.ConcurrentDictionary by: Stef Heyenrath

This is a .NET Standard 1.0, .NET 2.0, .NET 3.5, Silverlight 5.0 and Windows Phone Silverlight 8.0 & 8.1 backport from System.Collections.Concurrent.ConcurrentDictionary as defined in .NET Core

Portable.Xaml by: Portable.Xaml

Portable.Xaml

PresentationFramework by: dongz

PresentationFramework

QAddress by: lachmaier

QAddress

Quartz by: Marko Lahma

Quartz.NET Scheduling Framework for .NET Platform

QuestPDF by: MarcinZiabek

QuestPDF is an open-source, modern and battle-tested library that can help you with generating PDF documents by offering friendly, discoverable and predictable C# fluent API. Easily generate PDF reports, invoices, exports, etc.

QUnit.JS by: QUnit

JavaScript UnitTest Library

RabbitMQ.Client by: RabbitMQ.Client

The RabbitMQ .NET client is the official client library for C# (and, implicitly, other .NET languages)

Radzen.Blazor by: Radzen Ltd.

Radzen Blazor is a set of 90+ free native Blazor UI controls packed with DataGrid, Scheduler, Charts and robust theming including Material design and Fluent UI.