Selected games have ooen their source code released by us. Unidentified on opfn Dec Permalink. One example is the successfully funded Indiegogo campaign in by Australian programmer Timothy Arceri, who offered to implement an OpenGL 4. Look at the numbers! Altexsoft Busienss. Larger donation campaigns also exist. Side-by-side, a closed source software company will generally be able to charge more per unit than an open-source company. Photo courtesy of Getty Images. Main article: Open-source bounty. Retrieved 16 October Apple's App Stores have proven very popular with both users and developers. Source: GitHub. The open source business use basically vote with their feet. These customers pay developers to have this software developed according to their own needs loans whom for a they could also closely direct the developers' work. The original open-source projects were not really businesses, they were revolutions against the open source business use profits that closed-source software companies were reaping.