FluentNHibernate by: James Gregory and contributors (Paul Batum, Hudson Akridge, Gleb Chermennov, Jorge Rodríguez Galán).

Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.

FluentResults by: Michael Altmann

A lightweight Result object implementation for .NET

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

FluentValidation.DependencyInjectionExtensions by: Jeremy Skinner

Dependency injection extensions for FluentValidation

Fluid.Core by: Sebastien Ros

Fluid is a template engine based on the Liquid markup, with focus on performance and .NET programming patterns.

Fluxor by: Peter Morris

A zero boilerplate Redux/Flux framework for .NET

Fluxor.Blazor.Web by: Peter Morris

A zero boilerplate Redux/Flux framework for Blazor

Fody by: The Fody Team

Extensible tool for weaving .net assemblies.

FodyHelpers by: The Fody Team

Helpers for Fody.

FormCMS by: Jason Chen

A headless CMS with GraphQL API and drag-and-drop page designer.

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.

FSharp.Core by: Microsoft

FSharp.Core redistributables from F# Tools version 14.0.102 For F# 10.0. Contains code from the F# Software Foundation.

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.

GeoAPI by: NetTopologySuite Team

GeoAPI.NET project provides a common framework based on OGC/ISO standards to improve interoperability among .NET GIS projects.

GeoAPI.CoordinateSystems by: NetTopologySuite Team

GeoAPI.NET project provides a common framework based on OGC/ISO standards to improve interoperability among .NET GIS projects.

GeoAPI.Core by: NetTopologySuite Team and Fabrício Godoy

GeoAPI.NET project provides a common framework based on OGC/ISO standards to improve interoperability among .NET GIS projects.

Gherkin by: Cucumber Ltd, Gaspar Nagy

Cross-platform parser for the Gherkin language, used by Cucumber, SpecFlow and other Cucumber-based tools to parse feature files.

Glob.cs by: Michael Ganss

File system path globbing library (wildcards like in bash).

Google.Protobuf by: Google Inc.

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