DotNetOpenAuth by: Andrew Arnott

Add OpenID 1.1/2.0 and OAuth 1.0(a)/2.0 authentication and authorization functionality for client and server applications. This allows your (web) application to issue identities or accept issued identites from other web applications, and even access your users' data on other services.

DotNetOpenAuth.Core by: Andrew Arnott

This package contains shared code for other NuGet packages, and contains no public API in and of itself.

DotNetOpenAuth.OAuth.Core by: Andrew Arnott

This package contains shared code for other NuGet packages, and contains no public API in and of itself.

DotNetOpenAuth.OpenId.Core by: Andrew Arnott

This package contains shared code for other NuGet packages, and contains no public API in and of itself.

DotNetOpenAuth.OpenId.Provider by: Andrew Arnott

Allow your customers to take their identities from your site with them as they visit other sites that accept OpenID as relying parties. Set up single-sign-on solutions within your organization using a standards-based, accepted protocol for authentication delegation.

DotNetOpenAuth.OpenId.RelyingParty by: Andrew Arnott

Increase conversion rates to your web site by lowering the bar to create an account with your site, by allowing customers to use accounts they already have with other sites, such as Google and Yahoo!

DotNetZip by: Henrik/Dino Chiesa

A fork of the DotNetZip project without signing with a solution that compiles cleanly. This project aims to follow semver to avoid versioning conflicts. DotNetZip is a FAST, FREE class library and toolset for manipulating zip files. Use VB, C# or any .NET language to easily create, extract, or update zip files.

Duende.IdentityModel by: Duende Software

OpenID Connect & OAuth 2.0 client library

Elastic.Clients.Elasticsearch by: Elastic and contributors

This strongly-typed, client library enables working with Elasticsearch. It is the official client maintained and supported by Elastic.

Elastic.Transport by: Elastic and contributors

Client connectivity bits, exposes a potentially cluster aware request pipeline that can be resilient to nodes dropping out of rotation. This package is heavily optimized for the Elastic (elastic.co) product suite and Elastic Cloud (cloud.elastic.co) SAAS offering.

Elasticsearch.Net by: Elastic and contributors

Exposes all the Elasticsearch API endpoints but leaves you in control of building the request and response bodies. Comes with built in cluster failover/connection pooling support.

elmah by: Atif Aziz

ELMAH with initial configuration for getting started quickly. ELMAH (Error Logging Modules and Handlers) is an application-wide error logging facility that is completely pluggable. It can be dynamically added to a running ASP.NET web application, or even all ASP.NET web applications on a machine, without any need for re-compilation or re-deployment.

elmah.corelibrary by: Atif Aziz

Core library for ELMAH (Error Logging Modules and Handlers) without any configuration.

EmailValidation by: Jeffrey Stedfast

A simple (but correct) .NET class for validating email addresses. Supports mail addresses as defined in rfc5322 as well as the new Internationalized Mail Address standards (rfc653x).

EntityFramework by: Microsoft

Entity Framework 6 (EF6) is a tried and tested object-relational mapper for .NET with many years of feature development and stabilization.

EntityFramework.Migrations by: Microsoft

Legacy package, Migrations is now included in the EntityFramework package.

Enums.NET by: Tyler Brinkley

Enums.NET is a high-performance type-safe .NET enum utility library

envdte by: Microsoft

A member of the Visual Studio SDK

envdte80 by: Microsoft

A member of the Visual Studio SDK

EnyimMemcached by: Attila Kiskó

Memcached client library