Microsoft 

This package contains the runtime assemblies for ASP.NET MVC. ASP.NET MVC gives you a powerful, patterns-based way to build dynamic websites that enables a clean separation of concerns and that gives you full control over markup.

Entity Framework is Microsoft's recommended data access technology for new applications.

This package contains core runtime assemblies shared between ASP.NET MVC and ASP.NET Web Pages.

This package contains the runtime assemblies for ASP.NET Web Pages. ASP.NET Web Pages and the new Razor syntax provide a fast, terse, clean and lightweight way to combine server code with HTML to create dynamic web content.

This package adds support for formatting and content negotiation to System.Net.Http. It includes support for JSON, XML, and form URL encoded data.

This package contains the core runtime assemblies for ASP.NET Web API. This package is used by hosts of the ASP.NET Web API runtime. To host a Web API in IIS use the Microsoft.AspNet.WebApi.WebHost package. To host a Web API in your own process use the Microsoft.AspNet.WebApi.SelfHost package.

This package contains everything you need to host ASP.NET Web API on IIS. ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the... More information

This package contains everything you need to host ASP.NET Web API on IIS. ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. ASP.NET Web API is an ideal platform for building RESTful applications on the... More information

This package includes HttpClient for sending requests over HTTP, as well as HttpRequestMessage and HttpResponseMessage for processing HTTP messages. This package is not supported in Visual Studio 2010, and is only required for projects targeting .NET Framework 4.5, Windows 8, or Windows Phone 8.1... More information

Web Grease is a suite of tools for optimizing javascript, css files and images.

ASP.NET Optimization introduces a way to bundle and optimize CSS and JavaScript files.

jQuery plugin that unobtrusively sets up jQuery.Validation.

Classes to serialize, deserialize and validate OData payloads. Enables construction of OData producers and consumers. Targets .NET 4.0, Silverlight 4.0 or .NET Portable Lib with support for .NET 4.0, SL 5.0, Win Phone 8, Win Phone 8.1, and Win 8. Localized for CHS, CHT, DEU, ESN, FRA, ITA, JPN, KOR... More information

Classes to represent, construct, parse, serialize and validate entity data models. Targets .NET 4.0, Silverlight 4.0, or .NET Portable Lib with support for .NET 4.0, SL 5.0, Win Phone 8, Win Phone 8.1, and Win 8. Localized for CHS, CHT, DEU, ESN, FRA, ITA, JPN, KOR and RUS.

Contains classes and methods that facilitate geography and geometry spatial operations. Targets .NET 4.0, Silverlight 4.0 or .NET Portable Lib with support for .NET 4.0, SL 5.0, Win Phone 8, Win Phone 8.1, and Win 8. Localized for CHS, CHT, DEU, ESN, FRA, ITA, JPN, KOR and RUS.

This package contains the Microsoft.Web.Infrastructure assembly that lets you dynamically register HTTP modules at run time.

Provides a set of helper types and abstractions for simplifying the creation of OWIN components.

This packages enables projects targeting down-level platforms to use some of the types added in later versions including: - CallerMemberNameAttribute - CallerLineNumberAttribute - CallerFilePathAttribute - Tuple<T1, T2, ...> - IProgress<T> - IStructuralComparable - IStructuralEquatable - Task -... More information

This package provides build infrastructure components so that projects referencing specific Microsoft packages can successfully build. Do not directly reference this packages unless you receive a build warning that instructs you to add a reference.

Common types which are shared by the various authentication middleware components.