The ASP.NET AJAX Control Toolkit is a classic set of ASP.NET WebForms extensions that helps you build ASN.NET websites. Now maintained by devexpress.com

AramHTML Library Creates essential HTML tags programatically.

Quick and Dirty Helpers for ASP.NET MVC that boosts productivity by help typing less code for common HTML controls like Link, Image, Input and more.

This project contains example code for Aspose.Words for .NET. Aspose.Words is a class library for generating, converting and rendering wordprocessing documents

A JavaScript library that makes doing complicated things on a web page yourself. AwesomeScripts tries to get you to treat the HTML page as a declarative way of creating your UI, much like WPF and XAML.

Placing objects over the Microsoft Bing Map adds functionality and enhances user experience

Bootstrap MVC provides additional methods for the MVC HTML Helper in order to generate HTML Code for the Bootstrap framework.

Calipso is an object-oriented platform which enables developers to implement mixed server and JavaScript ASP.NET Web Forms controls.

Catharsis.NET.Web.Widgets is ASP.NET MVC tag library, which provides useful social media widgets to include on web pages of your site.

This a simple tool for Application and Web page designers. Color combiner can be used in choosing best combination of colors

An Open Source Notepad like VB.Net Source Code Editor for Windows XP, Vista, 7, and 8.

HtmlParser wirtten in .net. Reads not well formed html into a DOM.

DotNetTextBox WYSWYG Editor Web Control For Asp.Net2.0/3.5,Open Source Version!

Developer Team Article System Management Makes it easier for Authors to publish their articles . It developed in VB.NET .

Form Engine is an online service that meshes the presentation of HTML forms with the portability of PDF documents. HTML forms, automatically generated from a PDF document, are used to gather data from end-users. This data is then merged into the associated PDF document.

The Halide C# API is a set of classes that will aid the ASP.NET web developer in creating rich web applications, with less work.

Free HTML to PDF Converter for .NET and C# from HiQPdf is a fast method to easily create richly-formatted PDF documents, images and SVG from HTML and web pages

This Basic Edition of the HTML Editor for ASP.NET AJAX is designed specifically for ASP.NET AJAX. The editor outputs XHTML, constrains tags and attributes to those allowed, is extensible and configurable, and is contained in a single assembly.

HtmlFilter will allow you to intercept whatever HTML the server outputs to the browser and filter it via regular expressions returning whatever you would like. It works via the page.response.filter property.

A small .NET 2.0 Windows application. Features: - Converts HTML, CSS, JavaScript and other types of web content to C# code, mainly for use in the Render method of web parts; - Set the name of the HtmlTextWriter instance; - Choose between HtmlTextWriter only code and StringBuilder code; - Copy result to clipboard. Example: <div class="myCssClass">Hello World!</div> converts to writer.Write("<div class=\"myCssClass\">Hello World!</div>"); SharePoint web part developers might love this utility.