FluentValidation by: Jeremy Skinner

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

FluentValidation.AspNetCore by: Jeremy Skinner

AspNetCore integration for FluentValidation

Google.Api.CommonProtos by: Google LLC

Common Protocol Buffer messages for Google APIs

FakeItEasy by: Patrik Hägne FakeItEasy contributors

It's faking amazing! The easy mocking library for .NET that works great in C# and VB.NET alike. No need to know the difference between a stub, a mock or a spy, everything's a fake! The easy to use, refactoring friendly API makes faking a breeze.

Google.Api.Gax by: Google LLC

Support classes for Google API client libraries

Gems-Netcore-SDK by: Agate Tech Team

SDK provided for internal use. Connecting your application to Gemstone Services.

ExcelNumberFormat by: ExcelNumberFormat developers

.NET library to parse ECMA-376 number format strings and format values like Excel and other spreadsheet softwares.

Gee.External.Capstone by: Ahmed Garhy (@9ee1)

Capstone.NET is a .NET Core and a .NET Framework binding for the Capstone disassembly framework. It is written in C#, supports Capstone 4, and has a friendly and simple type safe API that is ridiculously easy to learn and quick to pick up.

Flurl.Http by: Todd Menier

A fluent, portable, testable HTTP client library.

Flurl by: Todd Menier

A fluent, portable URL builder. To make HTTP calls off the fluent chain, check out Flurl.Http.

FluentValidation.DependencyInjectionExtensions by: Jeremy Skinner

Dependency injection extensions for FluentValidation

ExcelDataReader by: ExcelDataReader developers

Lightweight and fast library written in C# for reading Microsoft Excel files (2.0-2007).

Google.Api.Gax.Grpc by: Google LLC

Additional support classes for Google gRPC API client libraries

ExcelDataReader.DataSet by: ExcelDataReader developers

ExcelDataReader extension for reading Microsoft Excel files into System.Data.DataSet.

Google.Api.Gax.Rest by: Google LLC

Common Protocol Buffer messages for Google APIs

Google.Api.Gax.Grpc.GrpcCore by: Google LLC

Implementation of the GAX GrpcAdapter abstract class based on Grpc.Core

Fractions by: Daniel Mueller

The fraction data type consists of two BigInteger values for numerator and denominator. It implements various operations (addition, subtraction, multiplication, division and remainder) with operator overloads.

FluentEmail.Smtp by: Luke Lowrey Ben Cull Github Contributors

Now we're talking. Send emails via SMTP.

FluentAssertions by: Dennis Doomen Jonas Nyrup

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, .NET 6, as well as .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.

FluentEmail.Core by: Luke Lowrey Ben Cull Github Contributors

Send emails very easily. Use razor templates, smtp, embedded files, all without hassle. This is a Base Package and includes just the domain model, very basic defaults, and is also included with every other Fluent Email package here.