In our portfolio Arbortext Editor, formerly known as Epic Editor, is the main XML-authoring tool. Being the worlds most used Editor it is many times praced for its ease of use and focus on the authors process.
Arbortext Editor is not only a a great XML-authoring tool but it is also the foundation of the Arbortext family of products making the process of structured XML-authoring work with less effort.
Read more about Arbortext Editor here.

