First I dont want to make any promotion for another coin than Waves on this platform.
But, since yesterday I found something similar to Waves and it could be very interesting for the development team of Waves and for traders and investors of Waves what could happen in the future with the price of Waves.
BCC (bitconnect.co) has a very nice decentralised exchange in the wallet. They developed the exchange in 4 months.
In 4 months price raise from $ 0,2 to $ 5,60. They are not listed on Poloniex or Bittrex.
I think Waves have more options.