Iam in a hunt for best bounty and airdrop campaigns. I have searched many sites but not got any idea on them. I have come accross many posts in bitcointalk thread but not got where to get a good bounty.
Try to search special bots in Telegram, there're some interesting ones that always check forums for new projects and post daily set. As far as I remember they're paid if cheap. According to the forum rules, I can't give links here, but you can google!