All the credit goes to Ilan Gonen who made the site back in 2013

www.omerwingsail.com/theory-of-lift/

www.omerwingsail.com/driving-force/

www.omerwingsail.com/upwind-driving-force/

www.omerwingsail.com/Lift-Drag/

www.omerwingsail.com/air-velocity/

www.omerwingsail.com/air-velocity-pressure/

www.omerwingsail.com/circulation/

www.omerwingsail.com/upwing-fast-tacking/

And for the real freaks like me...

www.avweb.com/news/airman/183261-1.html