This is a great website created by the Humanist Society of Scotland to understand Humanist views on things.
What is Humanism?
The Origin of Religion
Humanist Responses to Various Moral Issues –
Great for assignments or assessments where you need a non religious viewpoint!
Responses to Origins of the Universe and Life
This is a good website to get viewpoints from to add into any pieces of work in RME. For teachers there are examples of lesson plans etc!