AbiSource: A developer of Open Source desktop productivity applications, including AbiWord, a word processor.
Applixware: A complete office productivity suite including the Applixware Words word processor. Trial of online office suite also available.
flwiter: A small multilingual word processor using an XHTML file format . Supports both right-to-left and left-to-right writing.
Ted: A simple word processor, similar to Windows Wordpad, which produces RTF documents.