Whenever new ICO is launched some ICO's offers free Airdrops to public for their marketing and for their hype in market . In Airdrops you'll get some tokens or coins for just signing up or referring to your friends.
So if anyone loves Airdrops like me I just make this list for them you can claim your free Airdrop tokens by just signing in.
Here is the list of 11 Airdrop tokens or coins