Metaverse is a blockchain platform that is being developed by the Chinese company ViewFin. Metaverse has a very ambitious scope and aims to combine a variety of blockchain functionalities in one comprehensive Blockchain-As-A-Service platform. They aim to build a smart contracts platform, similar to Ethereum or NEO, that will also enable users to register their digital identities and integrate real-world data.
Metaverse has three types of ledgers: asset ledgers, identity ledgers, and data feed ledgers. The platform can be used as an intermediary with real world data and also has a decentralized exchange where assets can be traded.
Metaverse is powered by the ETP token.

Dragonchain is a blockchain platform developed by Disney. It was originally called the Disney Private Blockchain Platform. In 2016, Disney made the project open-source and shifted control of it to the Dragonchain Foundation.
It has a hybrid architecture that combines private and public blockchain elements. It's designed to make it easier for enterprises to develop smart contract powered DApps. They aim to facilitate business integration into blockchain.

Microsoft Blockchain on Azure allows companies to deploy distributed ledger applications with minimal blockchain knowledge. Microsoft is the biggest software company in the world, and its BaaS solution has a number of advantages. Clients are able to quickly create a fully configured blockchain network, allowing them to on focus on building their applications. Customers are charged for the storage, networking, and computing resources that they consume.