I guess following ICOs are top ICOs of 2018:
1. Rentberry (
https://ico.rentberry.com/):
Rentberry offers users a fully operational long-term rental platform. It plans to leverages blockchain technology to ensure seamless rental experience and wants to help tenants unfreeze millions of dollars tied up in rental deposits.
2. Buglab (
https://buglab.io/):
Buglab is all about Cybersecurity Penetration Testing on the Ethereum Blockchain
3. Kakushin (
https://www.kakushin.tech/)
Kakushin is a Decentralised Innovation and Intellectual Property Driven Ecosystem. The Kakushin Ecosystem uses blockchain to enable innovators to find access to funding, unlocking the potential for ground-breaking creativity all over the world.
4. Casper (
https://casperproject.io/):
The infrastructure of decentralized information storage. Casper is trying to create the true DApp storage and solve the problem of high costs of storing the data on the blockchain.
5. Codex (
https://codexprotocol.com/):
Codex is a decentralized registry for unique assets like art, fine wines, watches and more. Use cryptocurrency to buy $6 billion of art and collectibles today, and plug into a growing ecosystem of third-party services.