NuSpec.ReferenceGenerator by: Oren Novotny

Tool to auto-generate BCL package nuspec dependencies for CoreCLR projects

OneOf by: Harry McIntyre

F# style discriminated unions for C#, using a custom type OneOf<T0, ... Tn> which holds a single value and has a .Match(...) method on it for exhaustive matching. Simple but powerful.

OpenCover by: shaun wilde OpenCover

An open source code coverage tool (branch and sequence point) for all .NET Frameworks 2 and above (including Silverlight). Also capable of handling 32 and 64 bit processes. Use ReportGenerator for best viewing results (also available via Nuget).

OpenCoverToCoberturaConverter by: Daniel Palme

Converts OpenCover reports to Cobertura reports.

OpenPop.NET by: OpenPop

OpenPop.NET is an open source implementation of a POP3 client and a robust MIME parser written in C#. It allows developers easy access to email on a POP3 server in a matter of minutes. The project is backed by several hundred test cases and is therefore believed to be very robust. If you find a bug, please report this by sending an email to hpop-users@lists.sourceforge.net. POP3 Client Features - Easy to use POP3 client - Support for plain TCP or TLS/SSL connections - Authentication methods supported - - Plain - - APOP - - CRAM-MD5 (RFC 2195) - CAPA capabilities command supported (RFC 2449) MIME Parsing Features - Preserves the MIME email hierarchy - Easy access to different MediaType parts of the email - Headers are parsed into strong types and are easy to examine - Includes robust decoders for - - QuotedPrintable - - Base64 - - EncodedWord - - Continuation and encoding of header fields (RFC 2231) - Emails are fully persistable

Penneo.SDK by: Penneo

SDK for using Penneo in your own C# projects

PhotoSauce.MagicScaler by: PhotoSauce

High-Quality, High-Performance image scaling library. Implements best-of-breed algorithms and linear light processing with speed and efficiency that can't be matched by GDI+.

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 .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

protobuf-net by: Marc Gravell

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

Quartz by: Marko Lahma

Quartz.NET Scheduling Framework for .NET Platform

QuickGraph by: Jonathan "Peli" de Halleux

Generic directed/undirected graph datastructures and algorithms. QuickGraph comes with algorithms such as depth first seach, breath first search, A* search, shortest path, k-shortest path, maximum flow, minimum spanning tree, least common ancestors, etc...