FastExpressionCompiler.src by: Maksim Volkau

FastExpressionCompiler is 10-40x times faster than Expression.Compile()

FluentAssertions by: Dennis Doomen, Martin Opdam

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit test. Runs on .NET 3.5, 4.0 and 4.5 (Desktop and Windows Store), Silverlight 4 and 5 and Windows Phone 7.5 and 8. Supports the unit test frameworks NUnit, XUnit, MBUnit, Gallio and MSpec.

FluentValidation by: Jeremy Skinner

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

Geralt by: Samuel Lucas

A modern cryptographic library for .NET 8+ based on libsodium and inspired by Monocypher.

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.

Google.Protobuf by: Google Inc.

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

GoogleGson by: Microsoft

Gson is a library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object.

Grpc.Core by: The gRPC Authors

C# implementation of gRPC based on native gRPC C-core library.

Grpc.Net.ClientFactory by: The gRPC Authors

HttpClientFactory integration the for gRPC .NET client

Grpc.Net.Common by: The gRPC Authors

Infrastructure for common functionality in gRPC

Grpc.Tools by: The gRPC Authors

gRPC and Protocol Buffer compiler for managed C# and native C++ projects. Add this package to a project that contains .proto files to be compiled to code. It contains the compilers, include files and project system integration for gRPC and Protocol buffer service description files necessary to build them on Windows, Linux and MacOS. Managed runtime is supplied separately in the Grpc.Core package.

Handlebars.Net by: Rex Morgan

Blistering-fast Handlebars.js templates in your .NET application.

HarfBuzzSharp by: Microsoft

HarfBuzzSharp is a cross-platform OpenType text shaping engine for .NET platforms.

HarfBuzzSharp.NativeAssets.MacCatalyst by: Microsoft

HarfBuzzSharp is a cross-platform OpenType text shaping engine for .NET platforms.

HarfBuzzSharp.NativeAssets.Tizen by: Microsoft

HarfBuzzSharp is a cross-platform OpenType text shaping engine for .NET platforms.

HarfBuzzSharp.NativeAssets.tvOS by: Microsoft

HarfBuzzSharp is a cross-platform OpenType text shaping engine for .NET platforms.

HtmlAgilityPack by: ZZZ Projects, Simon Mourrier, Jeff Klawiter, Stephan Grell

This is an agile HTML parser that builds a read/write DOM and supports plain XPATH or XSLT (you actually don't HAVE to understand XPATH nor XSLT to use it, don't worry...). It is a .NET code library that allows you to parse "out of the web" HTML files. The parser is very tolerant with "real world" malformed HTML. The object model is very similar to what proposes System.Xml, but for HTML documents (or streams).

Humanizer by: Mehdi Khalili, Oren Novotny

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

Humanizer.Core.bg by: Mehdi Khalili, Oren Novotny

Humanizer Locale (bg)

Humanizer.Core.bn-BD by: Mehdi Khalili, Oren Novotny

Humanizer Locale (bn-BD)