According to a new report by Harvard Business School and University of Toronto researchers,open source contributes trillions of dollars to the global economy. If you look at the direct supply-side valuation for widely used open source software, the valuation is $4.15billion. If you look at the demand-side figures, which cover all the indirect value generated by use of open source, open source software is worth $8.8trillion. When global gross domestic product for 2024 is estimated to be $109trillion, the value of open source comes into far sharper view.