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.
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.
KTML is a browser-based WYSIWYG HTML editor that facilitates easy content formatting using its advanced table and image manipulation features. Unlike other online editors, it supports most platforms and configurations, providing users with advanced text and paragraph formatting capabilities as well as CSS support and easy HTML tag selection. It also features advanced image manipulation, an effective spell checking module, and a Server Behavior for Dreamweaver MX.
edit-on Pro is a cross-platform, in-browser, WYSIWYG editor Java applet which enables XHTML content authoring with XML markup. The editor is compact, powerful and requires no special libraries or client plugins. It includes CSS support, table editing, a spelling checker, multi-language support, and features an API that allows full customisation and seamless integration into Web-based applications. It perfectly complements content management systems, e-learning, knowledge management systems, and CRM. A free trial version is available for download and includes complete developer samples and a comprehensive integration manual.
Cameleon is an integrated development environment for Objective Caml and eventually other languages. Its features include a graphical user interface, configuration management based on CVS, easy access to and browsing of documentation, various editors, customizable file types, a plug-in architecture, and a highly customizable interface.