It's understandable it's a multi-million dollar venture, every project wants to get a crack of it, but the competition is so stiff and it's a dog eat dog business, so many shills and fuds for each exchange no wonder only a few succeed on this venture, right now it's not attractive anymore as there are so many failed ICO based exchange
There is a ranking site for bounty, I know that. I only searched by hand in the Bounties section of the forum. After finding new bounties, I researched their projects more thoroughly then if I feel good I will participate.