A very good mid-level photo retouching choice with a modern interface

Easy to use but powerful image editors with many special effects

A very good photo editor with a consistent interface for basic users

The most advanced image editor for drawing and painting

The easiest photo editor with basic enhancement tools

An excellent editor with features for basic users

A suite of modules containing image editor, file management, presentation and capture

An image editor with the most modern look and a 3D viewing gallery

An excellent mid-level image editor with a comprehensive feature set

An excellent suite of programs including Artist, Viewer, Converter and raw-Photo, each runs individually

An excellent photo viewer and editor

A small image editor aimed at photographers

A photo management application complete with an editor module

A general purpose image correcting suite includes an excellent noise reduction filter.

A noise suppression tool to reduce noise from photos with simple choices.

Primarily a paint program but equipped with a curves-and-levels tool that works better than Paint.NET

Java-based freeware for serious users to adventure into the world of noise reduction software.