Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Houseparty - Brining empathy to online communication.
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.
Booyah - Video chat with up to 12 friends at the same time.
Stonly - Create interactive step-by-step guides
Slack - A messaging app for teams who see through the Earth!