Bitcoin Peso airdrop: http://bitcoinpeso.io/campaign/airdrop-campaign/

Scam alert : Power Ledger does not have an airdrop, but scammers try to say they do : https://twitter.com/PowerLedger_io/status/941450243903770624

The Proof of Love bounty of Experty is quite fun. I see a lot of selfie with i heart experty. Wonder if more projects will copy that concept.
Experty bounty: http://airdropalert.com/airdrop/403