Able2Doc (A2D) enables users to view and convert data from PDF format into formatted Word documents that can then be edited. A2E converts graphics and preserves the PDF layout of text in Word documents.
An easy way to open Microsoft Office 2007 files
odf_converter is an OpenOffice.org plugin to read an write in docx format.
A Firefox viewer for OpenDocument files
ODF-XSLT is a library written in PHP 5 that brings the full power of XSLT to your OpenDocument files.