non-commercial open source orgs usually lack the budget for bounties, and so they'd miss out on this utility. we shipped a sponsorships feature in february (1min demo: https://youtu.be/cl-1tQaN-40) to eventually ameliorate this, but have kept the feature in alpha. it could be tied into the crowdbounties as you described.

we also think there can be an advantage to having both in the same app.

just taking it one step at a time.

would love to chat about this (cal.com/ioannisflo) & keep you updated (ioannis@algora.io) if you'd like, once again really appreciate your feedback on this!