App hosting via the blockchain

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I know there are several platforms now that provide decentralized application hosting: EVM, EMC and partly Golem too.

Could we have an example collection? Oleg, the lead developer of EMC was kind to send me some examples and I also read EVM tutorials and of course I know the roadmap of Golem. I just want to see how some competitive market-products operate in these platforms and what the differences are.