From Phaethon Solutions:
Phaethon Solutions LightOort is the product family for images tone and color correction and improving.
LightOort Lite is the powerful and handy image histogram viewer. It allows you to see histogram of the image in all details.
Program Features are:
Simultaneous displaying RGB, HSV and LAB histogram models. Smooth histogram stretching up all screen. Three-level histogram smoothing. Fast and easy images loading, instantaneous switch between already reading images. Copy-Paste image directly from documents or web sites.