We're not very well-equipped to handle volunteers right now, but we are releasing more data and open source software every day, and would be happy to see contributions from the community.
We have a GitHub for the institution (https://github.com/whoigit/) and some individual labs have separate GitHub, Bitbucket, and GitLab accounts. For instance, some of the robotics code behind the AUV Sentry is here: https://bitbucket.org/whoidsl/