Keep a close watch on PosToken ANN thread. They will be running series of airdrops. The current one may be ending today but there will be more airdrops after the current one

https://bitcointalk.org/index.php?topic=2110712.0

EDIT:  POSToken 1st airdrop is still valid till september 12th but you have to meet the minimum posts requirements and you must have a Twitter account to like their poat