Sort:  

In a broad sense, there are definitely a number of competitors since this is a blockchain. However, note how you ask what other ecosystems does it disrupt.

Generally, that's what blockchain devs aim for, a generalized creation. UChain is created to disrupt the sharing economy and it excels at it.

Coin Marketplace

STEEM 0.16
TRX 0.15
JST 0.029
BTC 56652.41
ETH 2407.11
USDT 1.00
SBD 2.33