EOS will be huge competitor to ETH as it has solved many scaling issues and added many new interesting concepts into blockchain. Considering CTO of that project is Dan Larimer everyone has high expectations.
EOS is stable because holders of EOS tokens will have lot of benefits from incoming airdrops. Dawn 3.0 rlease is around corner and main net is planned to be launched on 1.Jun. There is also a conference in April with special announcement.