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 .NET 3.5 / 4.0 / 4.5 / PCL (Profile 259) / NET Standard 1.0 library that allows developers to express transient exception and fault handling policies such as Retry, Retry Forever, Wait and Retry or Circuit Breaker in a fluent manner.

Polly-Signed by: Michael Wolfenden App vNext

Polly is a .NET 3.5 / 4.0 / 4.5 / PCL (Profile 259) / NET Standard 1.0 library that allows developers to express transient exception and fault handling policies such as Retry, Retry Forever, Wait and Retry or Circuit Breaker in a fluent 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: BouncyCastle.Crypto

BouncyCastle portable version with support for .NET 4, .NET Standard 1.0-2.0, WP, Silverlight, MonoAndroid, Xamarin.iOS, .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.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.

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

QuestPDF by: MarcinZiabek

QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create invoices, reports, and documents using a flexible, component-based approach.

RavenDB.Client by: Hibernating Rhinos

RavenDB Client is the client library for accessing RavenDB

ReflectionBridge by: Stef Heyenrath

Provides some extensions which define a bridge for the differences between Type and TypeInfo.

Reloadify3000 by: James Clancey

Hot Reload plugin for Comet

Remotion.Linq by: rubicon IT GmbH

re-linq Frontend: A foundation for parsing LINQ expression trees and generating queries in SQL or other languages. Key features: - Transforms expression trees into abstract syntax trees resemblying LINQ query expressions (from ... select syntax) - Simplifies many aspects of this tree (sub queries, transparent identifieres, pre-evaluation ...) - Provides basic infrastructure for backend development (e.g. SQL generation) - Provides a framework for user-defined query extensions and transformations

Respond by: Scott Jehl Paul Irish Nicholas Zakas

The goal of this script is to provide a fast and lightweight (3kb minified / 1kb gzipped) script to enable responsive web designs in browsers that don't support CSS3 Media Queries - in particular, Internet Explorer 8 and under. It's written in such a way that it will probably patch support for other non-supporting browsers as well (more information on that soon).

RestSharp by: RestSharp Community

Simple REST and HTTP API Client

RhinoMocks by: meisinger ayende

Dynamic mocking framework for .NET