is not a scam Ethereum Inc is a blockchain for decentralize organisations and because its fork of ethereum they are giving free ETI for every ETH you have.

Also because they are already Live so there is no scope of scam.

Their Resources:
Main site: https://einc.io/
Whitepaper: https://einc.io/assets/files/einc_whitepaper.pdf

Wallet: https://wallet.einc.io/
Organisation Explorer (Mainnet): https://etherinc.org/
Organisation Explorer (Rosten Testnet): https://ropsten.etherinc.org/
Block Explorer (Mainnet): https://explorer.einc.io/
Block Explorer (Rosten Testnet): https://ropstenexplorer.einc.io/
Network (Mainnet): https://network.einc.io/
Network (Rosten Testnet): https://ropstennetwork.einc.io/
eIncMeta: https://chrome.google.com/webstore/detail/lghmfnfghfcjoblchpmlghkigcgakoag