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.
The SeaMonkey project is a community effort to develop an all-in-one Internet application suite. It contains an Internet browser, email and newsgroup client with an included Web feed reader, HTML editor, IRC chat, and Web development tools, and is sure to appeal to advanced users, Web developers, and corporate users. It uses much of the Mozilla source code powering such successful siblings as Firefox, Thunderbird, Camino, Sunbird, and Miro.
white_dune is a graphical VRML97/X3DV editor, simple NURBS/Superformula 3D modeller, animation tool, and VRML97/X3DV commandline compiler in development. VRML97 (Virtual Reality Modeling Language) is the ISO standard for displaying 3D data over the Web via browser plugins ("HTML for realtime 3D"). X3DV is the direct successor of VRML97. VRML97 and X3DV have support for animation, real-time interaction, and multimedia (images, movies, and sounds). white_dune can read, create, and display VRML97/X3DV files and let the user change the scenegraph/fields. It also has support for stereoscopic view via "quadbuffer"-capable stereo visuals, and support for 3D input devices like a joystick, spaceball, or magnetic tracker.
EditLive! is a cross-platform, browser-based Web content editor with a Word-like WYSIWYG interface. Key features include a live spell checker and advanced table and nested list support. It produces content that complies with Section 508 and W3C accessibility, key XHTML and CSS standards. It is designed for use with Web content management, knowledge management, and e-learning applications. Integrations for major CMS platforms and business solutions including IBM Workplace Web Content Management, Vignette, EMC (Documentum), Percussion, FileNet, Open Text, Ektron, Ingeniux, Stellent, vCampus, and Schoolwires are also available.
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.