bootstrap by: The Bootstrap Authors

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

AutoFixture.Xunit by: Mark Seemann

By leveraging the data theory feature of xUnit.net, this extension turns AutoFixture into a declarative framework for writing unit tests. In many ways it becomes a unit testing DSL (Domain Specific Language). For xUnit.net 2, please use the AutoFixture.Xunit2 NuGet Package.

AutoFixture by: Mark Seemann

AutoFixture makes it easier for developers to do Test-Driven Development by automating non-relevant Test Fixture Setup, allowing the Test Developer to focus on the essentials of each test case.

BenchmarkDotNet by: Andrey Akinshin

Lightweight .NET library for benchmarking

BCrypt.Net by: Vadim Chekan

Port of jBCrypt library to C#

AutoMapper by: Jimmy Bogard

A convention-based object-object mapper. AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. Currently, AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other simple objects, whose design is better suited for serialization, communication, messaging, or simply an anti-corruption layer between the domain and application layer.

Aspire.Dashboard by: Microsoft

Dashboard browser interface for .NET Aspire.

AWSSDK.Core by: Amazon Web Services

The Amazon Web Services SDK for .NET - Core Runtime

Bootstrap.Datepicker by: Stefan Petre Andrew Rowls Jeroen Thora

Add datepicker picker to field or to any other element.

AWSSDK.SecurityToken by: Amazon Web Services

The AWS Security Token Service (AWS STS) enables you to provide trusted users with temporary credentials that provide controlled access to your AWS resources.

AsyncFixer by: Semih Okur

AsyncFixer helps developers in finding and correcting common async/await misuses (i.e., anti-patterns). It currently detects 5 common kinds of async/await misuses and fixes 3 of them via program transformations. AsyncFixer has been tested with thousands of open-source C# projects and successfully handles many corner cases.

AsyncUsageAnalyzers by: Sam Harwell et. al.

A collection of analyzers related to best practices for writing asynchronous code.

Autofac by: Autofac Contributors

Base assemblies for the Autofac Inversion of Control Container

BitMiracle.LibTiff.NET by: Bit Miracle

.NET version of LibTiff library made by Bit Miracle

BoDi by: Gaspar Nagy

A very simple IoC container, easily embeddable also as a source code.

AWSSDK.S3 by: Amazon Web Services

Amazon Simple Storage Service (Amazon S3), provides developers and IT teams with secure, durable, highly-scalable object storage.

AsyncBridge.Portable by: Daniel Grunwald Omer Mor Alex Davies

Adds the new C#5 async features for .NET 4.0 and Silverlight 5 projects (portable library)

AttributeRouting by: Tim McCall

AttributeRouting for ASP.NET MVC lets you specify routes using attributes on your MVC controllers and actions.

AttributeRouting.WebApi by: Tim McCall

AttributeRouting for ASP.NET Web API lets you specify routes using attributes on your API controllers and actions.

AttributeRouting.WebApi.Hosted by: Tim McCall

AttributeRouting for self-hosted Web API lets you specify routes using attributes on your API controllers and actions.