ServiceStack.Text.Signed by: ServiceStack

Deprecated. Use the strong named ServiceStack.Text package instead.

SharpCompress by: Adam Hathcock

SharpCompress is a compression library for NET Standard 2.0/2.1//NET 4.6 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.Direct3D11 by: Alexandre Mutel

Assembly providing DirectX - Direct3D11, Direct3D11.1 and Effects11 managed API.

SharpDX.Direct3D9 by: Alexandre Mutel

Assembly providing DirectX - Direct3D9 managed API.

SharpDX.DXGI by: Alexandre Mutel

Assembly providing DirectX - DXGI managed API.

SharpGen.Runtime by: jkoritzinsky

Support classes for code generated by SharpGen.

SharpGen.Runtime.COM by: jkoritzinsky

C# COM Interop classes for use with SharpGenTools generated libraries

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.

SharpYaml by: Alexandre Mutel

A YAML portable .NET library. providing parsing and serialization of object graphs, compatible with CoreCLR.

SharpZipLib by: ICSharpCode

SharpZipLib (#ziplib, formerly NZipLib) is a compression library for Zip, GZip, BZip2, and Tar written entirely in C# for .NET. 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

SimMetrics.Net by: Hamed Fathi, Stef Heyenrath

SimMetrics is a Similarity Metric Library, e.g. from edit distance's (Levenshtein, Gotoh, Jaro etc) to other metrics, (e.g Soundex, Chapman).

SimpleInjector by: Simple Injector Contributors

Simple Injector is an easy, flexible and fast dependency injection library that uses best practice to guide your solutions toward the pit of success.

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 fonts 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