Iota,Ripple, Ethereum,Dash,Komodo.
All have very solid use cases- actually representing excellent investment value.
Iota- Internet of Things, Only crypto currency I know resistant to hacking by the new generation of supercomputers.
Ripple- being used by banks to transfer large sums of money in International money transfers.
Ethereum- The Ico coin. Many other amazing features also.
Dash- Anonymous coin. lightning fast,enormous cash holdings that the Dash team is deploying very effectively to encourage it's use by businesses. Far more useful than Bitcoin.
Komodo- The founder of Komodo coin, James, is an absolute genius. He has already made many of his investors millionaires.Google "SuperNet"