Software Tool : Photoscape X For Photo Editing 
License : Free / Paid
Site : PhotoScape

You captured photo, now you need to add some colors, effects, lights, grunge effects, old films effect, natural looks, this tool allows to do that in one click. This is my personal favorite photo editing tool, which allows me to select multiple built in feature to enhance my photos. You will love it for sure. Available for windows and mac platform. Viewer, editor, batch editor, page, combine, screen capture, color picker, raw processing and lots of features available in this lightweight graphics editing software.

(link sends you to official site, select your platform and download)