Where I work, our open source stuff is released under fairly liberal licenses because we want it incorporated into other companys' proprietary software. If the

Where I work, our open source stuff is released under fairly liberal licenses because we want it incorporated into other companys' proprietary software. If they adopt our code and our standards that makes it easier for us to interoperate with them. Improvements tend to be upstreamed anyway, regardless of license, because it makes maintenance easier and reduces fragmentation.