AbiWord

AbiWord is a lean yet full-featured word processor. It features a familiar-looking interface, basic character formatting, paragraph alignment, a spell checker, interactive rulers and tabs, styles, unlimited undo/redo, find and replace, and image support. It can also import Microsoft Word 97 and RTF (Rich Text Format) documents, as well as support headers/footers, superscript/subscript, widow/orphan control and newspaper-style columns. Many plug-ins are available.