Think OpenOffice.org is the only open-source alternative to Microsoft's Office apps? Think again. If Microsoft Word is the main Office app you use, check out AbiWord, a cross-platform word processor that's been regularly updated by its developers for several years. The latest version includes such advanced functions as an equation editor, style sheets, outlining and grammar checking (which I assume is as useless as Microsoft's version. And, of course, AbiWord can read and write Microsoft Word documents fairly reliably (as with other Word-compatible apps, you may lose some advanced formatting in the conversion process. If you need a substitute for Word that has a small footprint, advanced features and dedicated developers, which works reliably on Windows, Mac and Unix systems, AbiWord is well worth a look.