Finally is ready universal faucet scrypt  for   CryptoHub API:   https://github.com/startsts/CryptoHubFaucet

And I launched a faucet for CROC:   http://croc-faucet.com/
Claim interval 30 minutes.  Rewards currently are:  minimum 0.2 CROC (80%),  maximum 1 CROC (20%)