Komodo IDE is the first unified workspace for end-to-end development of dynamic web applications. A rich feature set for client-side Ajax languages such as CSS, HTML, jаvascript and XML, coupled with advanced support for dynamic languages such as Perl, PHP, Python, Ruby and Tcl, enables developers to quickly and easily create robust web apps. Award-winning features include comprehensive editing and debugging, plus intelligent tools for regular expressions, team development, customization and unparalleled extensibility. The result is a powerful coding environment for framework stacks like Ruby on Rails and CakePHP and client libraries such as the Yahoo! UI Library and Dojo.

Add-in Express for Internet Explorer is the only all-in-one framework that offers you a simple and quick way to customize Microsoft Internet Explorer with your own browser extensions. It completely supports the Internet Explorer Extensibility API and provides a coherent set of .net components, visual designers and deployment tools that make your IE add-on development and deployment very comfortable.

If you are looking for an easy to use winform html editor control which looks very easy and polished and sports with lots of features and extensibility, then you are on the right page. It is a WYSIWYG HTML Editor control for Windows form applications. It takes any raw HTML for the WYSIWYG Document Content and it emits clean XHTML without any intermediate RTF transition.