Ravencoin
XLM
ICX
ZIL
STEEM
Enigma
Polymath
Ox
Civic or TKY
HPB
MAN
REN
TOMO...
These are just some of the projects, I think are very solid under $1
Out of those i would agree on 0x. decentralized exchanges are the future, i am only not satisfied with the speed they are unveiling their project. It seems kinda slow.