Markup Editor 2.4 (Windows)

The Topologi Collaborative Markup Editor is a powerful cross-platform tool available. It's a fast XML, SGML, and HTML editor for adding tags to documents with large document support, validation, and definable pens allowing markup by mouse. By letting you plough through documents over a million lines long, the Markup Editor will save you time as well as increase your productivity by guaranteeing the quality of your data.