If it is not a competitor to your employment, then you should be able to tell your boss. If it does compete, then are you leveraging your work to help your pro

If it is not a competitor to your employment, then you should be able to tell your boss. If it does compete, then are you leveraging your work to help your project? If so it is not appropriate. I have a friend who worked on a project. The company dumped the project, and with the company blessing he continued it in his spare time.