If you like NEO, I definitely recommend you best upcoming ICOs for NEO platform, because they will be huge.
Neonexchange - NEX - it is basically a new exchange powered by NEO
https://neonexchange.org/Effect - the mix of blockchain, A.I. and NEO - Amazon mech turk looks like children doll against the technology of these guys -
https://www.effect.ai/Bridge protocol - business, safety and KYC - again really promising concept -
https://www.bridgeprotocol.io/The year 2018 will be the year of NEO, ICX and XLM.
By the way another interesting ICO on Stellar platform is
Ternio - it is about digital advertising -
https://ternio.io/ They also have airdrop since today:
http://ternio.me/get-airdrop