HelpCrunch - HelpCrunch Live Chat: Turn prospects into customers, drive sales and improve retention with a rich toolbox combining modern live chat, in-app messenger, email marketing, CRM and marketing automation.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
ChatWhale - Gamify your customer communication and loyalty rewards
Intercom Facebook integration - Read, manage & respond to Facebook messages from Intercom
React Native - A framework for building native apps with React
Crypton.sh - SMS - Secure Anonymous SMS in the cloud (and a phone number)