Part of the Truffle suite. A locally running Ethereum developer blockchain. Use this to host your own, local, development only test Ethereum network to help speed up your software development and test your code before publishing to the real main net.
Ganache will work without centralized DNS.
It will work without central servers.
User accounts are self-hosted, meaning the user is in full control. Monetization is uncensorable and unstoppable with cryptocurrencies.