Light is everything in photography, it doesn’t matter whether the source is natural or manmade. To take images for uniqueness, understanding the light source is important.
Day Light vs Reflector vs Flash
5 Things to Look for When Shooting Natural Light
7 Truths of Shooting Natural Light
 How to Create Dramatic Portraits with Natural Light
The Secrets to Shooting Perfect Portraits with Natural Light
Top natual light photography tips from Amateur Photographer’s Technique editor
9 Tips for Shooting Portrait Photography in Natural Light
5 Tips for Photography Using Natural Light Indoors
All about the light APP
Exposure Simulator
Twilight Calculator - "Blue Hour / Golden Hour Table"
I’m a natural light photographer - Excuse By Daniel Norton
This page is intended to help shed some light on the subject (Pun intended)
Natural Lighting
Speed Lights & Stobes
Light Modifiers
One Light set-ups
High Speed Sync