* WYSIWYG word processor-style interface
* Direct editing of XML/HTML Files
* Browser plug-in for Firefox
* Real-time validation of input data
* Context-sensitive entry helpers
* Rich input formatting, including graphics, images and
links
* Versatile table handling
* Integrated Spell-checker with support for unlimited language packs
* Unlimited undo/redo
* Relatively pleasant performance with large documents
* Open Source and based on Open Standards. No vendor lock-in
* Well-documented and easy to learn coding framework (XUL/Javascript)
* XSLT driven WYSIWYG engine
* RelaxNG Schema Support
* Robust DOM Transaction System
* Auto-Updates, centralized deployment
See the Add-ons page for third party extensions.