One option is to find a donor organization that's aligned with your values and get in touch with them to hook you up with one of their grantees. Small local org

One option is to find a donor organization that's aligned with your values and get in touch with them to hook you up with one of their grantees. Small local orgs have a tough time with paying and retaining talent so you're likely to find some low hanging fruit. Not necessarily open source but lots of opportunity to have a big impact.