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".
LyX LyX (styled as formula_1; pronounced ] ) is an open source document processor based on top of the LaTeX typesetting system. Unlike most word processors, which follow the WYSIWYG ("what you see is what you get") paradigm, LyX has a WYSIWYM ("what you see is what you mean") approach, where what shows up on the screen is only an approximation of what will show up on the page.