Ylide is a decentralized protocol for wallet-to-wallet communication that facilitates messaging across multiple chains, data storage directly in smart contracts, and end-to-end encryption. It has an SDK for developers to easily integrate communication features within their protocols or build new ones.

XMTP is a fundamental new building block for the next iteration of the web—a permissionless, crypto-native communication protocol that connects communities, creators, protocols, applications, and users. XMTP will enable communication between existing crypto wallets through its own independent protocol and decentralized network.

Towns Protocol is a protocol for building decentralized real-time messaging apps. It consists of an EVM-compatible L2 chain, decentralized off-chain stream nodes, and smart contracts that are deployed on Base. Towns Protocol allows people to create programmable communication use cases, referred to as “Spaces,” in a permissionless manner. These Spaces are ownable, feature on-chain subscriptions (”Memberships”), extendable reputation system, and end-to-end message encryption.

Push Protocol is a decentralized notification protocol that enables any smart contracts, dApps, or traditional servers to send notifications linked to the wallet addresses of a user in a platform-agnostic way (i.e., notifications can be integrated and displayed on any crypto wallet, mobile app, extension, or dApp). Push Protocol is creating the native Web3 communication protocol to enable users to communicate with each other on-chain.

Dialect is a a protocol & developer stack for delivering your product experiences powers alerts for many of Solana's most loved projects. Dialect aims to be a new actions layer across the internet, and let dapps and users share actions anywhere, with anyone. Actions are a protocol for creating & delivering Solana transactions through URLs, making Solana sharable everywhere. Blinks, or Blockchain Links, are clients that detect Action URLs & unfurl them into full experiences.

Starscope is an On-chain notification protocol, to ensure user never miss a big on-chain event again. Use their notification system to get key alerts including unbonding LP tokens, new governance proposals, liquidations and more.

Notifi is a universal communication layer for all Web3 projects to engage with their users on digital and on-chain channels—from straightforward text messages to urgent wallet-to-wallet communications. Notifi embeds notifications and messaging into decentralized applications, providing meaningful interactions with end-users on their preferred channels and helping to build and foster engagement with Web3 applications.

Pearl is a web3 messaging platform that personalizes email and in-app messages using on-chain data. Through the Pearl mobile app, users can customize their notification experience, and community managers can use Pearl to send secure messages via our wallet-to-wallet messaging protocol.

Yoz is a web3 notification platform designed to make it easier for crypto developers and projects to bring notifications to their users.

HAL is a digital asset management tool that enables developers, protocols, and companies to query, trigger, monitor, and automate blockchain data. Notifications are sent to email and web2 social media in real time. By enriching on-chain data with unique filtering layers of automation, consisting of 40+ DeFi recipes, HAL helps more than 10,000 crypto individuals and professionals to listen and act on any on-chain data.

Ephemera is a decentralized messaging protocol that developing XMTP infrastructure. It’s for the committed—those devoted to decentralized technology and an onchain future.

Converse is a Web3 messaging app built with XMTP that allows user connect with any wallet and Encrypted end to end & decentralized converse.

WalletChat is a Web3 messaging platform with browser extensions for wallet login, direct messaging, community chat. Users can easily join project discussion rooms they browse on Opensea, or directly message the owner of the NFT they are viewing.

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.

dm3 protocol is a web3 messaging protocol that utilizes a general registry for public keys (for encryption and signature verification) and delivery information based on ENS (e.g., ENS text record eth.dm3.profile). It also uses decentralized delivery service nodes. Intended to work as an interoperability layer, DM3 enables various dApps, protocols, and services to exchange messages in a standardized way.

DMTP is a protocol that allows users to exchange messages on a wallet address basis. Users can send and receive messages to each other, and Dapps can send notifications and messages to users. The great thing is that DMTP can support all chains, so for example user can send messages to friends in different chains. Furthermore, the implementation of Communication Rewards and Chat Sticker NFT, which allow users to obtain unique tokens issued by DMTP based on the activity, will improve the user experience (UX) and enable users to enjoy communicating with each other.

Metawork is a communication and collaboration OS for Web3. It focuses on messaging and community collaboration, and provides unified Web3 tooling by leveraging interoperability between protocols and dApps.

Boto is creating a platform for creating no-code bots in the crypto space. Users can use Boto to track specific NFTs, governance proposals, portfolios, and wallet and on-chain activity.