Poloniex still the best in lending because you have 1% daily interest if you start lend your money there..
But i dont know right now if poloniex still active because i heard that many hackers are monitoring this site..
Yeah apart from that i find it quit dangerous to lend my money to someone i don't know by name. Remember we don't now how strict poloniex is practicing their rules which makes it hard to dertermine how risky i tis