ZK Email has a ZK suite includes ZK Email Verifier, Email Wallet, Email Wallet SDK and ZK Regex. ZK Email directly verify the signatures on your emails within a zk proof, including regex parsing within zk.

EtherMail is a Web 3.0 Email Solution setting the standard for anonymous and encrypted wallet-to-wallet communication. It enables companies to send rich, relevant content directly to their asset holders, based on blockchain-synced real-time information. Moreover, EtherMail allows for fully anonymous P2P communication and rewards its users for reading relevant content in their inbox.

MetaMail is a mailbox that takes advantage of Web3 to solve the problems of traditional email security and spam. It sends and receives emails using Web3 domains or addresses that are compatible with traditional mailboxes, while achieving zero gas fees. Additionally, it allows users to sign their emails with a key and provides end-to-end encryption for the ultimate security and a significant reduction in spam.

Dmail Network is the next generation of blockchain-based email, creating a comprehensive platform with the functions of message communication, asset management, and data storage.

Eppie is a decentralized email giving Web3 users full account ownership. Users can create an account simply by accepting the seed phrase. It is compatible with other DID standards and can send messages within Eppie’s own network or directly to any crypto wallet. The client application is also compatible with SMTP/ IMAP protocols, so users can connect and communicate through Web2 email services, but the emails never land on the server.

Mailchain is designed to serve billions of users with multiple identities, providing a private and end-to-end encrypted mail experience. It is the communication layer for Web3 and enables users to receive messages from dapps, DAOs, and other users.

ETHMail is an email hosting service. It provides mailboxes for all people who have Ethereum wallet. With ETHMail, User can send a message to someone or check if anyone left a message.

Mail3 is a crypto-native communication protocol that promises security, privacy preservation, and self-sovereign identity. It enables users to capture the value of their social connections and accumulate digital reputation on-chain. Mail3 aims to be the infrastructure for web3 communication and a platform for valuable information such as relationships, reputation, and trust. Thanks to its decentralized architecture, users can directly establish private connections with one another without concern for being monitored or censored. Personal data, social relationships, and their corresponding value are stored in a distributed and permanent manner.

Skiff is a Web3 office application that builds privacy and decentralization into its core. It has similar document writing and sharing functions, as well as other collaborative work functions, to those found in Google Docs. The application works with Protocol Labs to provide distributed storage technology. Users can log in to the application by connecting MetaMask and other crypto wallets.

PipeMail is a blockchain-based mail system. When using PipeMail to send mails, only the sender and recipient can decrypt the message.

Qamon Email is a Mail service empowered by blockchain tech. The solution guarantees strong end-to-end encryption for fully confidential peer-to-peer communication on user smartphone app.

MiYou is a Next-Generation EMail Ecosystem Base on Blockchains and AI, that bring the epochal functionalities of email encryption, data preservation, and value transfer brought by Web3.0 email based on blockchain technology.

CryptaMail is a web email service that is accessible only by the intended user. All of users' data is stored in a decentralized manner using NXTcoin's blockchain 2.0 capabilities.