Nxt Platform - Ardor is a cryptocurrency and blockchain technology platform with tools to build successful blockchain applications out of the box. Scalable and easy to use.

Kaleido Blockchain Business Cloud - Create and manage enterprise private blockchain networks within minutes using Kaleido's platform. Our full-stack enterprise blockchain as a service and cloud integrations support your entire blockchain journey, from PoC to live production.

Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.

BlockCypher - AWS for Block Chains

Stacks.co - A new internet for decentralized apps

Elliptic - Making it easier for enterprises to use digital currencies