The Asbru Website Manager is a ready-to-use cross-browser/cross-platform tool that enables non-technical users to edit, add, and delete HTML pages, images, and other files on their Web server through a Web browser. Users can browse their way to the Web pages they want to change and edit directly in a WYSIWYG HTML editor with a familiar word processor like user interface.
Asbru Web Content Editor is a cross-browser and cross-platform WYSIWYG HTML/XHTML Web content editor component for Web designers and programmers. It can be integrated into Web applications to give non-technical users access to create and update Web content. It can be used as a replacement for a simple TEXTAREA input field in contact forms, message boards, Web email systems, and Web content management systems. Features include CSS style sheet support, drag and drop editing, and advanced hyperlink and media managers.
GNU TeXmacs is a free wysiwyw (what you see is what you want) editing platform with special features for scientists. The software aims to provide a unified and user friendly framework for editing structured documents with different types of content: text, mathematics, graphics, interactive content. TeXmacs can also be used as an interface to many external systems for computer algebra, numerical analysis, and statistics. New presentation styles can be written by the user and new features can be added to the editor using Scheme.