I think they are one of the bounty managers around. They have a good navigation site where you can easily spot the current biunties campaigns and type of campaigns available to each bounties projects. I only hope they will continue listed credibly bounties campaigns.
Keyword: credible bounty campaigns
Here's hoping that too, because of what use are the huge stakes if the project is a scam or ends up exiting like some others have done in the past. It all ends in futility and a waste of time and efforts.