Zcash is described as 'decentralized and open-source cryptocurrency that offers privacy and selective transparency of transactions. Zcash payments are published on a public blockchain, but the sender, recipient, and amount of a transaction remain private' and is a Cryptocurrency Coin in the Bitcoin & Cryptocurrency category. There are more than 10 alternatives to Zcash for a variety of platforms, including Mac, Windows, Linux, Android and Online / Web-based. The best alternative is Monero, which is both free and Open Source. Other great apps like Zcash are Ethereum (Free, Open Source), Litecoin (Free, Open Source), Dogecoin (Free, Open Source) and Bitcoin Cash (Free, Open Source).
Monero is a digital currency that is secure, private, and untraceable. It is open-source and freely available to all. With Monero, you are your own bank. Only you control and are responsible for your funds, and your accounts and transactions are kept private from prying eyes.
DASH is an open source peer-to-peer cryptocurrency that uses a system called Darksend to add privacy to transactions. It allows you keep your finances private as you make transactions, similar to cash.
MintMe.com Coin is a transparent web-mineable blockchain platform made to support Decentralized Applications (DApps), where websites can serve as a hardware-independent alternative to secure ERC20 & ERC223 smart contracts.
Kin is a cryptocurrency and a way to engage, grow, and monetize your digital community. With only so much of it, Kin becomes more valuable as more people spend it. So you get paid when your apps' users spend Kin, letting you make money while also improving user experience.