Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Coinflo - The social wallet - It's like Venmo + Coinbase
BlockCypher - AWS for Block Chains
Facebook Pay - Send money to your friends via Messenger
GoCoin - A secure, boutique, blockchain payment gateway for online merchants, since 2013.
Cash App - The easy way to send, spend, bank, and invest.