Tokensuite bounties
Bountyhive bounties (ColorlessK)
Aery2s bounties
Shofiqul bounties
SANDRA EVAN bounties
jamelazaz bounties
btcltcdigger bounties
Dentit bounties
Amazix bounties
Wapinter bounties
bernard12345 bounties
buzness-game bounties
yahoo62278 bounties
Arteezy bounties
Sylon bounties
Atriz bounties
hua_hui bounties
Woshib bounties
Madz bounties
Smauni bounties
Deadley bounties
Blockeye bounties
thehun bounties
Aventhe bounties
irfanpak bounties
Sergei.Gerasimenko bounties
Hotachy bounties
Rig4holder bounties (new)
Others / independently managed by team
Name your favourite one
Nice list except for that jamelazaz guy, heard too many bad things about him.
I don't trust bountyhive either. Their system is great but until they release spreadsheets, there will be some doubt about the real number of participants in the campaigns.