RMAExpress is a standalone GUI program for Windows (and Linux) to compute gene expression summary values for Affymetrix Genechip® data using the Robust Multichip Average expression summary. It does not require R nor is it dependent on any component of the Bioconductor project.
http://stat-www.berkeley.edu/users/bolstad/RMAExpress/RMAExpress.html
Features:
Affymetrix .CEL files and .CDF file for the chip type
.CSV file of signal intensities based on the Affymetrix .CEL file
RMAExpress is available for download through the RMAExpress website