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Edgeless (EDG) is a utility ERC-20 token used in the eponymous casino. EDG token is currently trading on a few exchanges.
Ripple is a global payment protocol aimed to provide fast transactions and cheap payments internationally. The network uses a digital currency known as XRP (sometimes it's referred to as Ripple). Unlike other cryptocurrencies Ripple is not aimed to replace banks, rather this project is created to improve the work of banks (including transactions between different banks) via blockchain solutions.
DOUGH is PieDAO’s governance token. Anybody can be a member of PieDAO by holding it, and participate in the DAO governance.