Wtf are you guys talking about, like desktop apps are the end all be all of computing. 98 percent of codebases contain open source. There's like 5000 open source libraries in your iphone. For most things there just are no proprietary alternatives. It is the state of the art, ubiquitous in everything from medical equipment to satellites and TVs. The digital economy runs open source, with an estimated worth of 8.8 trillion dollars.