Quanta Plus is described as 'Web Integrated development environment (IDE) for HTML, XHTML, CSS, XML, PHP and any other XML-based languages or scripting languages. It is part of KDE, a Linux desktop environment, released in the Kdewebdev package' and is a IDE in the development category. There are more than 25 alternatives to Quanta Plus for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best Quanta Plus alternative is Eclipse, which is both free and Open Source. Other great apps like Quanta Plus are Kate, Apache NetBeans, Adobe Dreamweaver and Bluefish Editor.