Description from cryptocompare.com
Ontology is a public infrastructure chain project and distributed trust collaboration platform. Its blockchain framework supports public blockchain systems and is able to customize different public blockchains for different applications. The blockchain/distributed ledger network combines distributed identity verification, data exchange, data collaboration, procedure protocols, communities, attestation, smart contract system support, and various industry-specific modules.
Previously a NEO-based token, the ONT has now launched his mainnet. It will serve as the utility token within the platform.