SOPT was initially created by Rafael Carrillo, Jason McEwen and Yves Wiaux but major contributions have since been made by a number of others. The full list of contributors is as follows:

Dr. Mayeul D'Avezac
website

Dr. Rafael Carrillo
website

Dr. Ilektra Christidi
website

Dr. Roland Guichard
website

Dr. Jason D. McEwen
website

Dr. David Perez-Suarez
website

Mr. Luke Pratley
website

Dr. Yves Wiaux
website