The 9.2.0 version of XMLEditor for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This Mac app is a product of xmlmind. The application is categorized as Productivity Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
XMLmind XML Editor is a strictly validating, near WYSIWYG, XML editor, having:
Extensive DITA 1.3 support, including Lightweight DITA, XDITA, HDITA, MDITA. More »
Extensive DocBook support, including DocBook 5.1 assemblies. More »
Extensive XHTML5 support, including the ability to convert a set of HTML pages (an “ebook”) to EPUB, PDF, Web Help, DOCX, etc.
You may want to check out more software for Mac, such as Safari Enhancer, Plain Text Editor or SignalScope Pro, which might be similar to XMLEditor.