Advanced image fusion and pan-sharpening software: GUI-based HighView
Version 2.5.3 FREE for personal, non-commercial use since 1 October
2011.
Pan-sharpening 16- or 8-bit satellite imagery (e.g., QuickBird,
WorldView-2, IKONOS, GeoEye-1 and Landsat 7 ETM+).
Download:
http://www.geosage.com/highview/download.html