Os 5 principais concorrentes e alternativas a Common Ground e projetos de Communication semelhantes

ElConsejoSimpatico.org is something like a totally decentralized Twitter, to test any type of CENSORSHIP and DDoS attack (Denial of Service), based on smart contracts in the blockchain of Ethereum using only HTML5 pages and javascript type Web3 to work. Remember that you must use MetaMask in your browser, or use Brave as a browser and connect to the Rinkeby test network with an account already created that contains a bit of "fake" Ether.

Hermes Protocol solves the impossible challenge of delivering critical Web3 notifications, such as liquidations, governance polls, and NFT drops, overcoming the absence of email addresses in the crypto ecosystem, via the users preferred social channels and their wallets. By establishing a trusted communication bridge between Web3 businesses and users, we enable personalized alerts and marketing campaigns that drive engagement and foster a sense of community in the crypto ecosystem.

On chain messaging application. Have conversations with other addresss. Connect wallet and send messages.

LedgerMail is an immutable, truly private, completely secure, fully customizable, and cost-effective email service that will soon render the old ways of providing email service obsolete by leveraging the power of blockchain technology.