BitDice is a cryptocurrency casino that accepts Bitcoin, Ethereum, Dogecoin, and Litecoin. They've developed a variety of blockchain-based casino games that are powered by smart contracts and are provably fair. BitDice also has a native CSNO token that pays holders dividends and gives them bonuses for playing

FunFair develops blockchain-based technology for the casino industry. Their decentralized smart contract based gaming platform enables a trustless and transparent technology solution for casino style games.
FunFair leverages the transparency of Ethereum smart contracts to make it easier for online casino operators to create and operate games that are provably fair and trust-less.
FunFair's platform is licensed to users who then use the technology and operate as separate nodes on the Ethreum blockchain. The enormous scope of the online gaming industry makes Funfair's platform a good practical use case for widespread adoption of blockchain.
The FunFair network is powered by the FUN token.

Edgeless is an Ethereum-based casino with provably fair and transparent games. Their platform will offer casino games with a 0% house advantage, and will use EDG tokens for staking and funding of player bank rolls. Tokens are held in a bankroll for 7 days and then released back to the original sender.