It might have been poorly worded, English is not my native language, but there was nothing mean in my message. To put it more clearly, I meant: fork it and make a pull request to help me implement it.
Both in a way. Bus Pirate, both the hardware and the software, is completely open source. It's not the same version, things are different, but it's largely inspired by it.
However, the entire implementation is new, it's not a copy