AWSSDK.SimpleEmail by: Amazon Web Services

Amazon SES is an outbound-only email-sending service that provides an easy, cost-effective way for you to send email.

BlazorStrap by: Chanan Braunstein, John Bomhold

A bootstrap 5 component library for Blazor

BlazorStrap.V5 by: Chanan Braunstein, John Bomhold

Bootstrap 5.x component library for BlazorStrap

bootstrap by: The Bootstrap Authors

The most popular front-end framework for developing responsive, mobile first projects on the web.

BouncyCastle by: Bouncy Castle Project Contributors

The Bouncy Castle Crypto package is a C# implementation of cryptographic algorithms and protocols, it was developed by the Legion of the Bouncy Castle, a registered Australian Charity, with a little help! The Legion, and the latest goings on with this package, can be found at [http://www.bouncycastle.org](http://www.bouncycastle.org). In addition to providing basic cryptography algorithms, the package also provides support for CMS, TSP, X.509 certificate generation and a variety of other standards such as OpenPGP.

ConsoleAppFramework by: Cysharp

Zero Dependency, Zero Overhead, Zero Reflection, Zero Allocation, AOT Safe CLI Framework powered by C# Source Generator.

coverlet.collector by: tonerdo

Coverlet is a cross platform code coverage library for .NET, with support for line, branch and method coverage.

CSharp by: CSharp Development Team

CSharp

Dapper by: Sam Saffron, Marc Gravell

A high performance Micro-ORM supporting Sql Server, MySQL, Sqlite, SqlCE, Firebird etc..

Dapper.ColumnMapper by: Dan Turkenkopf

Simple extension to [Dapper](https://code.google.com/p/dapper-dot-net/) to allow arbitrary column to property mapping

DocumentFormat.OpenXml by: Microsoft

The Open XML SDK provides tools for working with Office Word, Excel, and PowerPoint documents. It supports scenarios such as: - High-performance generation of word-processing documents, spreadsheets, and presentations. - Populating content in Word files from an XML data source. - Splitting up (shredding) a Word or PowerPoint file into multiple files, and combining multiple Word/PowerPoint files into a single file. - Extraction of data from Excel documents. - Searching and replacing content in Word/PowerPoint using regular expressions. - Updating cached data and embedded spreadsheets for charts in Word/PowerPoint. - Document modification, such as removing tracked revisions or removing unacceptable content from documents.

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.

Enums.NET by: Tyler Brinkley

Enums.NET is a high-performance type-safe .NET enum utility library

Fable by: Alfonso García-Caro Núñez

F# to JS compiler

FastEndpoints by: FastEndpoints

A light-weight REST Api framework for ASP.Net 6 and newer that implements REPR (Request-Endpoint-Response) Pattern.

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, MSpec, and NSpec.

FluentValidation by: Jeremy Skinner

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

GeoAPI.CoordinateSystems by: NetTopologySuite Team

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

gherkin by: aslakhellesoy

A fast lexer and parser for the Gherkin language based on Ragel

Google.Protobuf by: Google Inc.

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