Standalone, DITA Editor with Single Source Publishing Users benefit from WYSIWYG editing capabilities while creating DITA documents in a self-contained environment on a single workstation.  With an intuitive authoring environment and on-demand validation, authors with little or no XML or DITA knowledge can easily author DITA-compliant documentation.  Installed locally on the end user’s computer, files are opened, edited, saved and published from a local or network drive, regardless of Internet connectivity.  Inmedius® DITA Storm™

KomodoEdit is a free, open source editor based on ActiveStates Komodo IDE and Mozilla/XUL code.

http://www.activestate.com/Products/komodo_ide/edit_features.mhtml

Dita awareness can be added by

• installing the KomodoEdit Dita xpi extension via Tools | Extension manager | Install http://community.activestate.com/komodo-extension/dita
  

or

SCHEMA ST4 is a standard software application which you can use to create, organize and produce product information efficiently and securely. SCHEMA ST4 covers the full range of requirements and manages pre-sales information such as catalogs, as well as post-sales documents such as product documentation, training documents and contract texts.

DitaShare by Content Technologies GmbH is a DITA-based Single-Source CMS solution on Microsoft Office SharePoint Server 2007 that offers collaborative Single-Sourcing and re-use of DITA topics and DITA maps, as well as publishing of conditional variants. DitaShare includes an integrated version of Altova Authentic 2008, a free web-based XML content editor, allowing authors and editors to work productively from any location using only MS Internet Explorer. Optional web-based editors include JustSystems XMAX, Xopus, and DITA Storm.

The ability to manage enterprise content today is more important than ever. Documents, web sites, technical publications and portals - your business needs a system to keep content under control, re-use it across departments and monetize it across multiple distribution channels. With SR2, Refresh Software is shaping the future of Component Content Management for web sites and documents.