SciWriter 1.9, from soft4science, is an XML-based scientific editor that completely integrates writing mathematics and text in the same environment.
XML Authoring: SciWriter is a pure XML-based editor. The native document format is a subset of XHTML 1.1 and MathML 2.0 Presentation Markup
Print Publishing: A SciWriter document can be exported to LaTeX. By utilizing a LaTeX system, like MikTeX, documents can be published as PDF, Postscript or DVI with high-quality layout
Web Publishing: SciWriter documents can be published on the web as XHTML+MathML or as HTML with equations as images.