fzap

odf-converter-integrator is an easy way to open M$2007 files (also called OOXML), .docx, .xlsx, and .pptx) with a high-quality conversion on any Linux or Windows system in any OpenOffice.org.

PStill can convert PostScript, EPS, TIFF and JPEG files to PDF, transcode PDF to PDF

convmv converts filenames (not file content), directories, and even whole filesystems to a different encoding

Program to generate, edit and convert gradients. Formats: ggr, svg, ... Gradients are used in Inkscape, Gimp, and are an essential tool for graphics.

pdf2djvu creates DjVu files from PDF files. It's able to extract: graphics, text layer, hyperlinks, document outline (bookmarks), and metadata.

DocToText is a utility that can convert m$ word, rtf and odt documents to plain text.

Convert between any document format supported by OpenOffice