Ardalis.GuardClauses by: Steve Smith (@ardalis)

A simple package by @ardalis and @nimblepros with guard clause helper methods. See docs for how to extend using your own extension methods defined in your project.

Ardalis.SmartEnum by: Steve Smith (@ardalis)

Classes to help produce strongly typed smarter enums in .NET.

Apache.NMS by: Apache ActiveMQ

Apache NMS (.Net Standard Messaging Library): An abstract interface to Message Oriented Middleware (MOM) providers

Aspose.Pdf by: Aspose

Aspose.Pdf for .NET is a PDF document creation and manipulation component that enables your .NET applications to read, write and manipulate existing PDF documents without using Adobe Acrobat. It also allows you to create forms and manage form fields embedded in a PDF document. This component is written in managed C# and it allows developers to add PDF creation and manipulation functionality to their Microsoft .NET applications (WinForms, ASP.NET and .NET Compact Framework). Aspose.Pdf for .NET is affordable and offers an incredible wealth of features including PDF compression options; table creation and manipulation; support for graph objects; extensive hyperlink functionality; extended security controls; custom font handling; integration with data sources; add or remove bookmarks; create table of contents; add, update, delete attachments and annotations; import or export PDF form data; add, replace or remove text and images; split, concatenate, extract or inset pages; transform pages to image; print PDF documents and much more.

Aspose.PDF by: Aspose

Aspose.PDF for .NET is a PDF document creation and manipulation component that enables your .NET applications to read, write and manipulate existing PDF documents without using Adobe Acrobat. It also allows you to create forms and manage form fields embedded in a PDF document. This component is written in managed C# and it allows developers to add PDF creation and manipulation functionality to their Microsoft .NET applications (WinForms, ASP.NET and .NET Compact Framework). Aspose.PDF for .NET is affordable and offers an incredible wealth of features including PDF compression options; table creation and manipulation; support for graph objects; extensive hyperlink functionality; extended security controls; custom font handling; integration with data sources; add or remove bookmarks; create table of contents; add, update, delete attachments and annotations; import or export PDF form data; add, replace or remove text and images; split, concatenate, extract or insert pages; transform pages to image; print PDF documents and much more.

App.Metrics.Concurrency by: Allan Hardy

Provides useful structures for performing efficient concurrent operations. Original Project: https://github.com/etishor/ConcurrencyUtilities, including a port of Java's LongAdder and Striped64 classes

AsyncBridge by: Daniel Grunwald Omer Mor Alex Davies jnm2

C# 5 async/await support for .NET Framework pre-4.5 This package is now unified to include all functionality from AsyncBridge.Net35 and AsyncBridge.Portable.

App.Metrics.Abstractions by: Allan Hardy

App Metrics Core abstractions and interfaces for metric types, reporting, filtering and more.

Antlr4.Runtime.Standard by: Eric Vergnaud Terence Parr Sam Harwell

The .NET Core C# ANTLR 4 runtime from the ANTLR Organization

AntDesign by: James Yeung

🌈 A set of enterprise-class UI components based on Ant Design and Blazor WebAssembly.

AspNet.ScriptManager.jQuery.UI.Combined by: Damian Edwards

This package contains the AspNet.ScriptManager.jQuery.UI.Combined assembly that will automatically register jQuery.UI.Combined 1.13.2 with the ScriptManager as "jquery.ui.combined".

Antlr by: Sam Harwell Terence Parr

ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages.

Apache.NMS.ActiveMQ by: Apache ActiveMQ

Apache NMS (.Net Standard Messaging Library): Openwire implementation of Apache NMS API

AspNet.ScriptManager.jQuery by: Damian Edwards

This package contains the AspNet.ScriptManager.jQuery assembly that will automatically register jQuery 3.5.0 with the ScriptManager as "jquery".

Asp.Versioning.Abstractions by: .NET Foundation and Contributors

The abstractions library for API versioning.

AngleSharp by: AngleSharp

AngleSharp is the ultimate angle brackets parser library. It parses HTML5, CSS3, and XML to construct a DOM based on the official W3C specification.

AspNet.Security.OpenIdConnect.Primitives by: Kévin Chalet

OpenID Connect primitives for the OpenID Connect server middleware.

Antlr3.Runtime by: Sam Harwell Terence Parr

The runtime library for parsers generated by the C# target of ANTLR 3. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2008 or newer.

Aspose.Cells by: Aspose

A powerful and fast library written in C# for manipulating and converting Excel(XLS, XLSX,XLSB), ODS, CSV,JSON and HTML files.

apache-thrift-netcore by: The Apache Software Foundation

For .Net Core - naive port, use with caution...

AspectCore.Extensions.Reflection by: Lemon

Reflection extension system for AspectCore Framework.