No specific info about version 4.0. Please visit the main page of Gamma on Software Informer.
Excellent app.
Professional resizing tool with extra editing and enhancing functionality.
Flexible editing tool to create and print out ID photos for 27 countries.
AutoImager is a batch image file converter and editor.
Atomic PC is a program that presents you the periodic table of the elements.
This is a utility program I wrote to help convert RGB and HSL values to Winamp.
VividSwitcher is designed for fast switching resolutions and gammas.
Excellent app.