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

Coinbase - Bitcoin, safe and easy.

BlockCypher - AWS for Block Chains

Circle Pay - Send money like a text. No fees. No borders. No one else is doing this.

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.

Blockonomics - Top Bitcoin payment solution since 2015. Merchant gateways for WooCommerce, WHMCS and others. #1 wallet watcher & more. Be your own bank.