ExCSS by: Tyler Brinks

ExCSS reads and parses stylesheets using CSS 3 and CSS 2 selector specifications, and is easily queryable from LINQ using its simple and readable object model.

ExtendedNumerics.BigDecimal by: https://github.com/AdamWhiteHat

Arbitrary precision decimal class

Fizzler by: Atif Aziz Colin Ramsay

Fizzler is a W3C Selectors parser and generic selector framework for document hierarchies.

FluentAssertions by: Dennis Doomen Jonas Nyrup Xceed

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. Works with .NET Standard 2.0 and higher, .NET Framework 4.7 and higher and .NET 6 and higher. Supports the unit test frameworks MSTest2, NUnit3, NUnit4, XUnit2, XUnit3, MSpec and TUnit. IMPORTANT: This version is free for open-source projects and non-commercial use, but commercial use requires [a paid license](https://xceed.com/products/unit-testing/fluent-assertions/). Check out the [license page](LICENSE.md) for more information.

FluentFTP by: Robin Rodricks FluentFTP Contributors

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP transfers, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#, with no external dependencies.

FluentFTP.GnuTLS by: Michael Stiemke Robin Rodricks FluentFTP Contributors

Adds support for TLS1.3 streams into FluentFTP using a .NET wrapper of GnuTLS.

FluentValidation by: Jeremy Skinner

A validation library for .NET, Silverlight and WP7 that uses a fluent interface to construct strongly-typed validation rules.

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.

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

Capstone.NET is an opinionated .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.

Google.Api.CommonProtos by: Google LLC

Common Protocol Buffer messages for Google APIs

Google.Protobuf by: Google Inc.

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

GraphQL by: Joseph T. McBride

GraphQL for .NET

GraphQL.Analyzers by: Joe McBride

GraphQL.Analyzers

Grpc by: The gRPC Authors

Metapackage for gRPC C#

Grpc.AspNetCore by: The gRPC Authors

gRPC meta-package for ASP.NET Core

Grpc.AspNetCore.HealthChecks by: The gRPC Authors

Integration of ASP.NET Core health checks with Grpc.HealthCheck

Grpc.AspNetCore.Server by: The gRPC Authors

gRPC support for ASP.NET Core