Neonexchange or NEX is the latest City of Zion project - a decentralized cryptocurrency exchange that pays 75% of the fees back to the token holders.
https://neonexchange.org/
City of Zion is the biggest developer community for NEO. They have developed the NEON wallet and other applications.
If I'm not mistaking NEX will be the first decentralized exchange for NEO blockchain assets.
To check out the spreadsheet of ICO ratings go to:
https://docs.google.com/spreadsheets/...