Please open source all the things
I think people also need to consider that not only software projects should be open sourced but also hardware projects. Look at the great projects that have come from others (kippers ide boards from the ide68k and a608 projects) and the problems that arise when they don't. I.e the cortex floppy emulator that is great but has bugs and is receiving little/slow development. Not to mention the fpga projects that have built on others.