AutoHDR is completely portable. It is a freeware exposure adjusting application that's straightforward and advanced.
Here are some screenshots to illustrate the features and user interface of this application:
Automatically applies HDR settings to images using preset. Screenshot of AutoHDR - 1491px · 857pxAutomatic HDR configuration. Screenshot of AutoHDR - 1491px · 857pxFile type support and batch processing. Screenshot of AutoHDR - 705px · 596px
Able Fax Tif View
Praat
Neat Image
DeepSkyStacker
AKVIS Enhancer