Well, it's forbidden here to shill any project here as they will be counted as spam. However, what do you think all the bounty managers are doing? Aren't they shilling for projects through Twitter, Facebook, and other social media platforms? They are doing the exact thigs but simply because they are doing it off forum, on one care. I'm sure OP is looking for that service here.
Exactly, that's what I mentioned in my previous post, but you have quoted the last part of my post. 
Anyways, The whole bounty campaign is all about shilling their project. They hiring bounty hunters to spam all over social media to get paid, and those projects are paying for that. The bounty managers only manage the campaigns. Most altcoin campaigns scam their participants as they don't escrow the funds. Some of them pay, and some of them don't.