Increasingly, non-IT companies are becoming "accidental" licensors, licensing their internally built accounting, inventory, human resources, supply chain, or other software systems in order to capitalize on these developments. If your company becomes a software licensor, you may encounter many important and problematic legal issues relevant to the modification, distribution, and protection of your code. They include the permitted use of open source code in commercial applications, clean room development, government rights in software created with government funds, intellectual property protection for software, reverse-engineering, and encryption export controls. This article analyzes these questions and more through familiar hypothetical scenarios.