Suppose the sole developer died five years ago. Had he created an application for Windows, his users would still get to enjoy it. Had he created a FOSS appli

Suppose the sole developer died five years ago. Had he created an application for Windows, his users would still get to enjoy it. Had he created a FOSS application and given his users the source code, his users would still get to enjoy it. But if he created a closed source MacOS application, then his application soon joins him in death.