PhotoCap

A nice tool for edit or adjust your photo. You might consider it as a compress version of Photoshop, but more easy for use.

Most important function is batch processing. Simply by drag your mouse and check some bottom, you don't need how to write a script.

It also includes most of the common function, such as layers, filters and adjustments. Functions such as adjust photos that are under or over exposure and remove purple fringing are available.

You can download from here. English version is available. By the way, PhotoCap is a freeware.