Cooperate with other blockchain platform and other wallets

Can i send cryptocurrency or cash from Waves to other wallet for example MetaMask?

USD and EURO you can withdraw only to your bank account by using gateway - Coinomat service. What about WAVES - yes, you can withdraw WAVES to other wallets if they support it.
Best regards, Waves Community Manager

I meant withdraw bitcoin or ethereum

Bitcoin, Ethereum and other cryptocurrency with own blockchain you can deposit and withdraw via gateway - Coinomat service.
Best regards, Waves Community Manager.

Wich wallet and exchange exactly? May be MetaMask?

Any exchange or wallet, where bitcoin or ethereum is supported.
Best regards, Waves Community Manager