AltaSonita is a image denoising application designed to run on nVidia video boards using CUDA technology. Three different denoising algorithms, and five intensity levels let you remove most of noise from photos without blurring small details and edges.
The intensity setting works by separating edgy areas (drawn in red) from mostly plain areas (drawn in blue), and in plain areas the amount of noise filtering is higher as there are no relevant edges that would be blurred by the denoising process. Increasing the intensity setting reduces the amount of edge-preserving areas, so that aggressive noise filtering is applied to more zones of the image.

Requirements:
* CUDA-enabled video board,

The license of this software is Freeware, you can free download and free use this image optimizer software.