Here are my choices -  directly given on cmc links.

https://coinmarketcap.com/currencies/electroneum/
https://coinmarketcap.com/currencies/ark/
https://coinmarketcap.com/currencies/bancor/
https://coinmarketcap.com/currencies/pivx/
https://coinmarketcap.com/currencies/eidoo/
https://coinmarketcap.com/currencies/harmony/

Just my own personal choice but actually i dont tend to throw up some dollars
if those coins doesnt hit up rank 2- 20 on entire marketcap but if you can gamble
with these  below top 100 coins then its your choice.