The aim of TRON is to revolutionize the entertainment industry, and decentralize the web. This is a big mission, and may be very abstract in the minds of most people, which might be one explanation why TRX doesn't get more attention.
NEO is one project that has the potential to become a big competitor Ethereum. The NEO is currently classified as the 16th biggest coin per market capitalization, with a price of $ 8.50 and a market capitalization of only $ 552 million.