Lamden TAU its not listed on big exch yet, they get listed end of month and its a fastinating product, expecting to go 50x this year. You can buy it on etherdelta but you have to add custom adress :
They are making crossblockchain smartcontracts, feeless and with 10k tx/s. VERY VERY undervalued because of marketcap and circulating supply and whole tools they are developing.

Put this in etherdelta, scroll way down, new token:

Contract Address:   0xc27a2f05fa577a83ba0fdb4c38443c0718356501
Token Decimals:    18