I try to keep the first post of this thread updated with current airdrops and bounties. I will be editing today or tomorrow with updated info. I think most of the NEP5 bounites and airdrops are winding down but will share what I know to be active currently.

Epiphany still has their daily checkin active. You just have to check in and receive 30 P-Points that can be exchanged for EPN. 100 P-Point equals 1 EPN sign up here https://www.epnex.io/sign.html?i=00Jdxze

DAD is part of the ONT ecosystem and has a very rewarding referral bounty https://dad.one/airdrop/index/regist/index/invitecode/7853f717

Holiday Coin is brand new and has an active DEMO that you can try https://hldycoin.com/hldyicox/interfaces/register.php?referal=MistiB

Narrative their Alpha version is live and this is also a referral bounty. https://alpha.narrative.org/wait-list?r=278461C9mE

NKN I am not 100% sure if this is still active but I think it is. https://t.me/NKNrobot?start=NKNA2B71

NXAD https://x-ad.nxad.io/ad-revolution-on-neo/XAYI9XG

Senno will be finished on August 8th but there are several tasks available that you can complete to earn http://vy.tc/fARLn90

Switcho Switcheo Draw is choosing 20 winners per week to win an engraved ledger https://switcheodraw.vyper.io/5014/3931179
They also have a few other ways to win stuff to celebrate the V2 release Read about them
Switcheo Fun https://medium.com/switcheo/switcheofun-7e7e6922ddaf
Switcheo Perks https://medium.com/switcheo/switcheoperks-1ee4d8ca1fe6

I know there will be more announced soon so be sure to check the first post on this thread for updates!!