Ant Movie Catalog - Ant Movie Catalog is a free, open-source program made to manage your collection of movies on DVD...
XML Copy Editor - XML Copy Editor is a fast, free, validating XML editor.
Tellico - Tellico is a KDE application for organizing your collections.
Oxygen XML Editor - Oxygen XML Editor provides a comprehensive suite of XML authoring and development tools.
calibre - Ebook manager, viewer & converter
Liquid Studio - XML Tools Provider: XML Studio - Graphical XML Schema Editor.