PInvoke.Windows.Core by: Andrew Arnott

P/Invoke types for common Windows APIs.

Pkcs11Interop by: Jaroslav Imrich

Managed .NET wrapper for unmanaged PKCS#11 libraries

PlaywrightSharp by: Darío Kondratiuk

PlaywrightSharp is a .NET library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast.

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.

Polly.Contrib.Simmy by: App vNext

Simmy is a chaos-engineering and fault-injection tool, integrating with the Polly resilience project for .NET

Polly.Contrib.WaitAndRetry by: Grant Dickinson App vNext

Polly.Contrib.WaitAndRetry is an extension library for Polly containing helper methods for a variety of wait-and-retry strategies.

Polly.Extensions.Http by: App vNext

Polly.Extensions.Http is an extensions package containing opinionated convenience methods for configuring Polly policies to handle transient faults typical of calls through HttpClient.

Polly.Extensions.Http-Signed by: App vNext

Polly.Extensions.Http is an extensions package containing opinionated convenience methods for configuring Polly policies to handle transient faults typical of calls through HttpClient.

Polly-Signed by: Michael Wolfenden App vNext

Polly is a .NET 4.5 / .NET Standard 1.1 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.

PolySharp by: Sergio Pedri

PolySharp provides generated, source-only polyfills for C# language features, to easily use all runtime-agnostic features downlevel

popper.js by: FezVrasta

A kickass library to manage your poppers

Portable.BouncyCastle by: Claire Novotny

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

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.JWT by: Mitja Bombac

JWT (JSON Web Token) Portable Implementation for .NET 4.5+ (Public Domain). Supported algorithms: HMAC signatures with HS256, HS384 and HS512.

prometheus-net by: andrasm qed- lakario

.NET client for prometheus.io

protobuf-net by: Marc Gravell

Provides simple access to fast and efficient "Protocol Buffers" serialization from .NET applications

QRCoder by: Raffael Herrmann Shane Krueger

QRCoder is a simple library, written in C#.NET, which enables you to create QR codes.

QRCoder.Core by: Afonso Dutra Nogueira Filho

QRCoder.Core, written in C#.NET, which enables you to create QR codes Use System.Drawing.Common below 7.0.0.

Quartz by: Marko Lahma

Quartz.NET Scheduling Framework for .NET Platform

Quartz.Serialization.Json by: Marko Lahma

Quartz.NET JSON Serialization Support