Visioo-writer supports document formats such as KWord, and this, an open-source word processor written in C++?
AbiWord AbiWord ( ) is a free and open-source software word processor written in C++. Since version 3 it is based on GTK+ 3. The name "AbiWord" is derived from the root of the Spanish word ""abierto"", meaning "open".
CoWord CoWord is a software add-on to Microsoft Word to enable multiple users to edit the same document over the Internet with MS Word. It is a part of the CoOffice suite of collaboration tools for Microsoft Office.