GreenCoin, also known as GRN uses Scrypt algorithm to secure transactions and it has 100000000 total coins that are not fully pre mined.
For more information see list bellow.
Name: GreenCoin (GRN) Algorithm: sha256 Proof type: PoW Total coin supply: 100.000.000
https://github.com/CryptorClub/GreenCointhis was a different project hat wound down in 2013 if I recall. Not related to this project.