SharpCompress by: Adam Hathcock

SharpCompress is a compression library for NET Standard 1.0 that can unrar, decompress 7zip, decompress xz, zip/unzip, tar/untar lzip/unlzip, bzip2/unbzip2 and gzip/ungzip with forward-only reading and file random access APIs. Write support for zip/tar/bzip2/gzip is implemented.

SharpDX by: Alexandre Mutel

Core assembly for all SharpDX assemblies.

SharpDX.D3DCompiler by: Alexandre Mutel

Assembly providing DirectX - D3DCompiler managed API.

SharpDX.Direct2D1 by: Alexandre Mutel

Assembly providing DirectX - Direct2D, DirectWrite and WIC managed API.

SharpDX.Direct3D9 by: Alexandre Mutel

Assembly providing DirectX - Direct3D9 managed API.

SharpDX.DXGI by: Alexandre Mutel

Assembly providing DirectX - DXGI managed API.

SharpPcap by: Chris Morgan

SharpPcap is a cross-platform(Windows, Mac, Linux) packet capture framework for the .NET environment. It provides an API for capturing, injecting, analyzing and building packets using any .NET language such as C# and VB.NET.

SharpZipLib by: http://www.icsharpcode.net/

#ziplib (SharpZipLib, formerly NZipLib) is a Zip, GZip, Tar and BZip2 library written entirely in C# for the .NET platform. It is implemented as an assembly (installable in the GAC), and thus can easily be incorporated into other projects (in any .NET language).

Should by: Eric Hexter Tim Scott

The Should Assertion Library provides a set of extension methods for test assertions for AAA and BDD style tests. It provides assertions only, and as a result it is test runner agnostic. The assertions are a direct fork of the xUnit test assertions. This project was born because test runners Should be independent of the assertions!

Shouldly by: Jake Ginnivan Joseph Woodward Simon Cropp

Shouldly - Assertion framework for .NET. The way asserting *Should* be

SixLabors.Core by: Six Labors

Low level primitives for use across Six Labors projects..

SixLabors.Fonts by: Six Labors and contributors

A cross-platform library for loading and laying out for processing and measuring; written in C#

SixLabors.ImageSharp by: Six Labors and contributors

A new, fully featured, fully managed, cross-platform, 2D graphics API for .NET

SixLabors.ImageSharp.Drawing by: SixLabors and contributors

An extension to ImageSharp that allows the drawing of images, paths, and text.

SixLabors.Shapes by: Six Labors and contributors

Polygon manipulation/merging and interrogation library. It's a fully managed netstandard library so should work everywhere.

SixLabors.Shapes.Text by: Six Labors and contributors

Allows generating glyphs for text and a font for manipulation using SixLabors.Shapes

smtpapi by: Brandon West

Easily build SendGrid SMTPAPI headers.

SpecFlow by: SpecFlow Team

SpecFlow aims at bridging the communication gap between domain experts and developers by binding business readable behavior specifications to the underlying implementation. Our mission is to provide a pragmatic and frictionless approach to Acceptance Test Driven Development and Behavior Driven Development for .NET projects today.

SpecFlow.CustomPlugin by: TechTalk

Package for writing custom extensions for SpecFlow.

SpecFlow.NUnit by: SpecFlow Team

Package to use SpecFlow with NUnit 3.13 and later