Here's my own research: https://gitpay.me https://gitpay.me Doesn't appear to be too popular: "We paid $2547 USD in bounties". And no wonder it's not popular:

Here's my own research: https://gitpay.me https://gitpay.me Doesn't appear to be too popular: "We paid $2547 USD in bounties". And no wonder it's not popular: https://github.com/gitpay/website/pull/4 https://github.com/gitpay/website/pull/4 https://issuehunt.io https://issuehunt.io The docs are pretty thin, so it's not clear if it's possible for devs to attach a price to feature requests themselves. It seems to be a side project of the people that make Boost Note. The top project has gotten $7,858.50, but it's actually their own project BoostIO/Boostnote. I get that "we made it for us, but you can use it too" vibe from their site, which may be why there doesn't seem to be much ongoing effort to promote the service. https://www.bountysource.com https://www.bountysource.com It looks like there are red flags around Bountysource: https://blog.elementary.io/goodbye-bountysource-hello-github-sponsors/ https://blog.elementary.io/goodbye-bountysource-hello-github... "If no Solution is accepted within two years after a Bounty is posted, then the Bounty will be withdrawn and the amount posted for the Bounty will be retained by Bountysource." "In December, 2017, Bountysource was acquired by a cryptocurrency company called CanYa who redesigned the Bountysource site and service with a new cryptocoin focus."