Zelcash is a cryptocurrency that holds a central role in the Zel Ecosystem. It gives the incentive for ZelNode ownership to enable the creation of ZelDex and the ZelDev Platform, enabling us to create a truly decentralized development platform.
Neblio (NEBL) is a project that is developing an open source enterprise blockchain solution. This solution will be a secure and distributed platform upon which businesses can develop their own applications. Neblio is joining a long list of other projects such as Ethereum's Enterprise Ethereum Alliance (EEA), Hyperledger Fabric and R3 Corda that are working on similar enterprise blockchain development networks. Check out CoinBureau for the full review of Neblio project.