Xinha - The Community-built Open Source Online HTML Editor

Xinha (pronounced like Xena, the Warrior Princess) is a powerful WYSIWYG HTML editor component that works in all current browsers. Its configurabilty and extensibility make it easy to build just the right editor for multiple purposes, from a restricted mini-editor for one database field to a full-fledged website editor. Its makes it an ideal candidate for integration into any kind of project.