As an open-source project driven by the research community, your contributions are very welcome!
You can write to the list of developers of the project, writing to this address: firstname.lastname@example.org.
MORSE development can be tracked on the MORSE GitHub repository:
git clone git://github.com/morse-simulator/morse.git
If you want your feature to be merged in MORSE:
You can also get the source directly from the LAAS mirror repository at: git://git.openrobots.org/git/robots/morse