Visioo-writer supports document formats such as KWord, and this, an open-source word processor written in C++?
Visioo-Writer Visioo-writer - The OpenDocument file viewer is a computer program designed to run on multiple operating systems with the explicit ability to view OpenDocument and OpenOffice.org/StarOffice documents. It is currently in a stable state (version 0.6) but updates continue. The goal is to create a small application to open popular and free document formats (e.g., AbiWord, KWord). The software is open source, and written in Python. Downloads are available for Microsoft Windows and Linux.
FoxPro FoxPro was a text-based procedurally oriented programming language and database management system (DBMS), and it is also an object-oriented programming language, originally published by Fox Software and later by Microsoft, for MS-DOS, Windows, Macintosh, and UNIX. The final published release of FoxPro was 2.6. Development continued under the Visual FoxPro label, which in turn was discontinued in 2007.