AjaxControlToolkit by: CodePlex Foundation

AjaxControlToolkit contains a rich set of controls that you can use to build highly responsive and interactive AJAX-enabled Web applications. AjaxControlToolkit contains more than 40 controls, including the AutoComplete, CollapsiblePanel, ColorPicker, MaskedEdit, Calendar, Accordion, and Watermark controls. Using AjaxControlToolkit, you can build AJAX-enabled ASP.NET Web Forms applications by dragging-and-dropping Toolkit controls from the Visual Studio Toolbox onto a Web Forms page.

angular-file-upload by: Danial Farid Georgios Diamantopoulos (nuget package)

Light-weight HTML5 and cross-browser AngularJS directives for file upload, progress, abort, drag and drop

Angular.UI.Bootstrap by: AngularUI Team

Bootstrap components written in pure AngularJS

AngularJS.Animate by: The AngularJS Team

See the AngularJS.* packages for other Angular modules

AngularJS.Core by: The AngularJS Team

See the AngularJS.* packages for other Angular modules

AngularJS.Route by: The AngularJS Team

See the AngularJS.* packages for other Angular modules

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.

Acr.UserDialogs by: Allan Ritchie

A cross platform library that allows you to call for standard user dialogs like Alerts, Confirmations, Prompts, and more. Supports Android, iOS, and MacCatalyst

AngularJS.Cookies by: The AngularJS Team

See the AngularJS.* packages for other Angular modules

AngleSharp.Css by: AngleSharp

Extends the CSSOM from the core AngleSharp library.

AdvancedStringBuilder by: Andrey Taritsyn

Contains a simple implementation of the pool and extension methods for string builder.

Amazon.Extensions.CognitoAuthentication by: Amazon Web Services

An extension library to assist in the Amazon Cognito User Pools authentication process.

Amazon.AspNetCore.Identity.Cognito by: Amazon Web Services

Simplifies using Amazon Cognito as a membership storage solution for building ASP.NET Core web applications using ASP.NET Core Identity.

Acr.Support by: Allan Ritchie

Support libraries for android and ios

AndHUD by: Redth

AndHUD is a Progress / HUD library for Android which allows you to easily add amazing HUDs to your app!

AjaxMin by: Microsoft Corporation Ron Logan

JavaScript and CSS minification Library for use in .NET applications that want to provide minification or parsing functionality.

angularjs by: Fitzchak Yitzchaki Dov Landau

AngularJS. HTML enhanced for web apps!

AMQPNetLite.Core by: xinchen

This package provides the AMQP client and listener for netstandard.

Acornima by: Adam Simon

A standard-compliant JavaScript parser, which is a fork of Esprima.NET combined with the .NET port of the acornjs parser.

AdaptiveCards by: Microsoft

This library implements classes for building and serializing adaptive card objects