GDAL contributed tools by Geographic Information Network of Alaska

 Dan Stahlke's GDAL contributed tools are a collection of useful programs to
 perform common raster operations. The included tools are:
 gdal_contrast_stretch, gdal_dem2rgb, gdal_get_projected_bounds,
 gdal_landsat_pansharpi, gdal_list_corners, gdal_merge_simple, gdal_merge_vrt
 gdal_raw2geotiff, gdal_trace_outline, gdal_wkt_to_mask, gdal_make_ndv_mask.