Elasticsearch.Net by: Elasticsearch Inc. and contributors

Exposes all the 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.

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

EnyimMemcached by: Attila Kiskó

Memcached client library

EPPlus by: Jan Källman

A library to manage Excel spreadsheets, using OOXML.

ExCSS by: Tyler Brinks

ExCSS is a CSS 2.1 and CSS 3 parser for .NET. ExCSS makes it easy to read and parse stylesheets into a friendly object model with full LINQ support.

ExtendedNumerics.BigDecimal by: Adam White, Jan Christoph Bernack, Rick Harker

An arbitrary precision decimal (base 10) floating point number type using a mantissa and exponent. Supports nth roots, trigonometric functions, logarithms, natural e, pi, etc.

Fizzler by: colinramsay1980, azizatif

A .NET library to select items from a node tree based on a CSS selector. The default implementation is based on HTMLAgilityPack and selects from HTML documents. There over 140 unit tests - see below for more information. The tests are based on the jQuery selector engine tests. At this time, the library is BETA quality.

GhostScriptSharp by: https://github.com/mephraim/ghostscriptsharp/

A very simple .NET wrapper for Ghostscript 1.1 pdf conversion toolkit

Google.Api.CommonProtos by: Google LLC

Common Protocol Buffer messages for Google APIs

Google.Apis by: Google Inc.

Google APIs Client Library (Contact me whenever new versions are available!)

Google.Protobuf by: Google Inc.

C# runtime library for Protocol Buffers - Google's data interchange format.

Grpc by: The gRPC Authors

Metapackage for gRPC C#

Grpc.AspNetCore by: The gRPC Authors

gRPC meta-package for ASP.NET Core

Grpc.AspNetCore.Server by: The gRPC Authors

gRPC support for ASP.NET Core

Grpc.AspNetCore.Server.ClientFactory by: The gRPC Authors

HttpClientFactory integration the for gRPC .NET client when running in ASP.NET Core

Grpc.Auth by: The gRPC Authors

gRPC C# Authentication Library