I dreamed I was working on a Mac version of the Dillo web browser*. But I mixed it with some sort of commercial code, and the resulting program violated the GPL**. The next thing I knew, someone was shooting at me with a machine gun. I kept trying to walk out of a (hotel?) lobby, but every time someone started shooting. At one point they were in a helicopter, at one point they may have just been up in a building across the street, and at one point they were definitely in a hot air balloon. I’d duck back inside, or put up my hands to get them to stop shooting, but every time I walked back out, they started up again.
* An ultra-small, ultra-fast browser that’s low on features, but runs well even on old hardware.