OKCash is a Proof of Stake cryptocurrency that was released under the MIT licence.

Wixlar is an Ethereum based token that powers a variety of financial services within the Wixlar ecosystem. The Wixlar token is designed to be the medium of exchange in a network that will offer crypto debit cards, cloud storage, credit services, e-commerce, smart contracts, and other services.

BitcoinDark is a fork of Bitcoin with a poorly defined purpose and use case. BitcoinDark is based on the InstantDEX protocol, a decentralized exchange for BitcoinDark and other cryptocurrencies supported by the project. The platform is also supposed to include a Pegged Asset Exchange (PAX) to allow users to buy and sell pegged assets – including fiat currencies, commodities, ETFs, and stocks.
BitcoinDark is a Proof-of-Stake (PoS) currency that has gained a significant market cap, but the project has failed to show how its vision will be implemented or how it will add value compared to other blockchain projects.