This project is for any english literature usage. It checks spelling, repetition, and soon will check grammar. It has database manipulation so you can add/delete words to ignore for both repetition and spelling. It is mainly targetted for forums.
PyWord is a powerful and flexible text editor written in Python. It aims to be similar to other, existing editors (including emacs), but has several unique features as well.
WordXML is a extension for Microsoft Word in order to convert content easily into the XML format. Content can, without any special technical knowledge, be structured and saved as XML with a document template. WordXML is written in Python.
TeXPerfect plans to be a cross-platform, extensible, user-friendly yet expert-tunable visual TeX implementation. The most important feature will be a split screen (inspired by WordPerfect(R) Reveal Codes) showing the underlying TeX code.