Aelf (ELF) is doing a great airdrop programme which allows you to get free coins every day.
The coin is already traded on several exchanges and among the top 60 coins on CoinMarketCap.
You just need to sign up here, follow them on Twitter and retweet every day
https://candy.aelf.io/account/register?invitationCode=040812c367bCRemember that you must retweet, like and comment every day to get a share of their daily airdrops.