NiceEdit
NicEdit 这是一个发布不久的编辑器，有些复杂，整个文件大小超过200KB，它集成了许多标准的编辑器功能，它很容易整合和使用。
Features
* Small file size <35KB Total, <10KB Compressed!
* Only 2 files (js + icons) required for operation.
* Flexible Configuration replace textareas or divs
* Multiple editors can optionally use single controls
* Save content via AJAX or HTTP Post
*IE 5.5+ / FF 2+ / Opera 9+ / Safari 3+
Kupu
http://kupu.oscom.org/download/
Kupu 使用CSS布局和展示，它支持异步保存数据到服务器端。它传递事件句柄而不是HTML代码。它使用了很多时髦的技术，并且代码非常干净。Kupu可以通过很多方式设置和扩展，使用灵活。
Features
* Image upload for the image browser
* Improved ‘out-of-the-box’ support for the browsers
* Added support for CSS’ float on images
* Zoom mode to make Kupu fill the full browser window
* BeforeUnload handler added which controls all form fields
TinyMCE
TinyMCE 是使用最广泛的编辑器之一，能够自由上传和管理文件，它能够被设置在XHTML模式下运行。
Features
* Easy to integrate, takes only two lines of code.
* Customizable through themes and plugins.
* Customizable XHTML 1.0 output. Block invalid elements and force attributes.
* International language support (Language packs)
* Multiple browser support, Mozilla, MSIE, FireFox, Opera and Safari (experimental).
* PHP/.NET/JSP/Coldfusion GZip compressor, Makes TinyMCE 75% smaller and a lot faster to load.
* You can easily use AJAX to save and load content!
Kevin Roth RTE
Whilst Rich Text Editor 是一款发布很久的编辑器，有些过时，但是基本的功能还是有的。
Features
* Table support
* xhtml-compliant code
* IE5.5+
* Mozilla 1.3+
* Firefox 0.6.1+
* Netscape 7.1+
* Mac Safari 1.3+
* Opera 9+
FCKEditor
FCKEditor很收欢迎，图片上传管理，模板设置都是很好的功能。 甚至支持Adobe AIR。
Features
* Complete integration pack for server side code
* Adobe Air Sandbox Support
* IE 5.5+ Windows
* Firefox 1.5+ Windows / Linux / Mac
* Safari 3+ Windows / Mac
* Opera 9.5+
* Netscape 7.1+ Windows / Mac / Linux
* Camino 1+ Mac
Yahoo UI Editor
http://developer.yahoo.com/yui/editor/
The Yahoo UI 库是非常优秀的产品，很漂亮，实用，你会爱不释手的。
Features
* Uses OOP library, easy to extend
* XHTML output
* Flickr plugin
* Calendar plugin
* Good documentation
WebWiz RichTextEditor
http://www.webwizguide.com/webwizrichtexteditor/
Webwizguide 貌似和ASP一起运行很好，但貌似这并不是一款免费的产品。
Features
- A cross-browser, cross-platform WYSIWYG online HTML editor
- Turn any HTML textarea into a WYSIWYG Editor with just 4 lines of code!!
- Easy to change the look and feel using custom skins
- Written in ASP, JavaScript, and DHTML
- Copy and paste clean HTML from Word using WordTidy™ Technology
- Image and file uploading, with built in file browser
- Open and save files created in Web Wiz Rich Text Editor
- Edit source code with just one simple click
- Insert images, files, tables, etc. Allows uploading of images
- Edit and create text using various styles and fonts
CodePlex Rich Text Editor
如果你是一个.NET开发者，你知道用户来控制多么美妙，codeplex的目标就是把你所有的需求都封装在一起，让你随时可以取用……
Features
* Internet Explorer and FireFox
* Supported Styles / Formats: Bold, Italic, Underline, Justify, indentations, Plain Lists, Numbered Lists
* Supported Commands: Copy, Paste, Cut, Add Hyperlink, Set Foreground Color, Set Highlight Color, Set Fonts, Set Font Sizes, Insert Smiles
* Supported Views: Text View, Html View
* Localization: Supported Languages include en-us, cs-cz, es-es, de-de, fr-fr, it-it, ja-jp, ko-kr, pt-br, ru-ru, zh-cn, zh-hk, zh-tw
XStandard
这个编辑器编译了一个干净的XHTML Strict代码，使用CSS布局，支持键盘响应，还包括拖拽等操作，是一个很酷的编辑器。
Features
* Supports most CSS 2.1 selectors
* Internet Explorer, Firefox, Safari and Opera.
* A genuine XHTML editor, not an HTML 4 editor with code clean-up routines.
* XHTML generated by XStandard can be parsed by XML parsers.
* Uses Cascading Style Sheets (CSS) for formatting.
* Uses Web Services not FTP for file uploading
* Cleans Microsoft Word
* Available in 21 languages