OXygen

Synopsis
 is a high-powered XML editor with built-in support for TEI.

Features
http://www.oxygenxml.com/features.html

System requirements
Runs under Windows, Linux, and Mac operating systems. Requires JVM. See http://www.oxygenxml.com/download.html.

Source code and licensing
Closed source. Academic licenses available for $48 per year. Discount available for TEI subscribers and individuals from TEI member institutions: contact info@tei-c.org for information. Free 30-day trial license available.

Support for TEI
Comes with TEI schemas and Sebastian Rahtz's stylesheet library, ready to work out of the box.

Language(s)
Interface and documentation available in English.

Tech support
http://www.oxygenxml.com/techSupport.html

User community
http://www.oxygenxml.com/mailman/listinfo/oxygen-user/ http://www.oxygenxml.com/forum/

Current version number and date of release
8.1 (2007-01-25)

History of versions
See http://www.oxygenxml.com/software_archive.html.

How to download or buy
http://www.oxygenxml.com/download.html