We are making steady progress on Chapter (our open source replacement for Meetup.com/Facebook Groups). If you are looking for a project to contributor that will immediately have a big impact on thousands of people, this is a great one to get involved in.
Here are some good first issues that you all can tackle: Good first issues · Iss
@ojeytonwilliams is the lead on this project, and he can answer any questions you have about the codebase 