Unfortunately, past experiences I have are that a very small academic team = stay away, project will have too many rough edges.
I hope your experience goes better. Tip: A revenue stream gives you something to work with. Failing that, carefully document your whole architecture so contributors will be willing to help.
## Irrelevant Complaining
Just ran across this last year: good looking software, great concept, first half of features work great … enough to hook me, so when I finally found out the other half was bug ridden I stuck it out but ouch. Needless to say, no design document so even fixing stuff was a pain point.