NameCoin is described as 'Namecoin is a distributed domain name system based on the Bitcoin technology. Namecoin extends Bitcoin to add transactions for registering, updating and transferring domain names' and is an app in the Network & Admin category. There are more than 50 alternatives to NameCoin for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Android. The best alternative is Bitcoin, which is both free and Open Source. Other great apps like NameCoin are Monero (Free, Open Source), Litecoin (Free, Open Source), OpenNIC (Free, Open Source) and No-IP (Freemium).
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.
Cardano is a decentralised public blockchain and cryptocurrency project and is fully open source. Cardano is developing a smart contract platform which seeks to deliver more advanced features than any protocol previously developed.
Zcoin strives to increase individual liberty. By guaranteeing financial privacy, Zcoin can help ensure freedom of commerce. People should be able to transact however they want, as long as it does not infringe on the well-being or individual liberty of others.