There are many exchange's like, Mercatox, bit-z, binance
, Idex, Kucoin, tokenjar but if you are a newbie try at the basic like fork and etherdelta

. I am a newbie so i usually use fork and etherdelta

I am used to trade in forkdelta

If you are an actve trader go sell with the big exchanges like Binance,bittrex,bitmex.bitfines,kucoin, poloniex and so much more. Just check your coin in coinmarketcap and check the "Market" column. There you can find where your coin is listed.