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.
elFinder is a Web-based file manager that was inspired by the simplicity and convenience of Mac OS X's Finder. It attempts to make working with remote files as convenient as working with those on your computer. It supports QuickLook for most types of files, copy/move with drag and drop, hot keys, a built-in text editor, context menus, and much more.
elRTE is a WYSIWYG HTML editor for the Web written using jQuery. It features rich text editing, options for changing its appearance and style, insertion and management of various HTML elements with formatting (images, tables, lists, etc.), support for viewing and editing HTML code, and normal and full-screen modes.
eval2 is a real-time evaluator for PHP. It is designed to be a debugging tool. Code is executed server-side as the user types and results are returned via AJAX. It comes with a limited textarea WYSIWYG code editor with tab, shift-tab indentation, and a GUI MySQL browser. It requires Firefox.